GOUR-BANGA UNIVERSITY || SEM - 3 || MAJOR (2025)

Course Instructor: Ayan chakraborty

FREE

Course Overview

Schedule of Classes

Course Curriculum

2 Subjects

SEM - 3(2025) || MATH MAJOR || GOUR-BANGA UNIVERSITY

3 Exercises • 295 Learning Materials

PRELIMINARY OF GROUP THEORY

LECTURE 1

Video

02:20:15

LECTURE 1

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LECTURE 2

Video

01:41:39

LECTURE 2

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LECTURE 3

Video

01:13:39

CLASS NOTE L3

PDF

LECTURE 4

Video

01:08:28

CLASS NOTE L4

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LECTURE 5

Video

01:58:08

CLASS NOTE L5

PDF

LECTURE 6

Video

01:22:14

CLASS NOTE L6

PDF

LECTURE 7

Video

02:11:31

CLASS NOTE L7

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LECTURE-8

Video

01:24:02

CLASS NOTE-8

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LECTURE 9

Video

01:56:40

CLASS NOTE OF LEC 9

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LECTURE 10

Video

01:32:22

CLASS NOTES L10

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SOLUTION OF EXERCISE 8

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LECTURE 11

Video

01:14:32

CLASS NOTE L11

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LECTURE 12

Video

01:25:38

CLASS NOTE LEC 11

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FINITE GROUP

LECTURE 1

Video

01:05:26

CLASS NOTE L1

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LECTURE 2

Video

02:10:57

CLASS NOTE L2

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LECTURE 3

Video

00:57:17

CLASS NOTE L3

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LECTURE 4

Video

01:34:21

LECTURE 5

Video

00:52:45

CLASS NOTE OF LEC 4&5

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LECTURE-6

Video

01:33:35

CLASS NOTE L-06

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LECTURE-07

Video

01:19:52

LECTURE-08

Video

01:26:09

CLASS NOTE L-07

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CLASS NOTE L-08

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LECTURE 9

Video

01:42:35

LECTURE 10

Video

01:32:04

CLASS NOTE L9

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CLASS NOTE L10

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LECTURE-11

Video

01:54:25

CLASS NOTE L-11

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LECTURE 12

Video

01:15:15

CLASS NOTE L12

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LECTURE 13

Video

01:04:03

CLASS NOTE L13

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LECTURE 14

Video

00:59:36

CLASS NOTE L14

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LECTURE 15

Video

01:28:40

CLASS NOTE L15

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EXAM

group exam(10/12/2024)

Assignment

SUBGROUP(26/01/2025)

Assignment

EXAM(21/03/2025)

Assignment

DOUBT SOLVING CLASSES

DOUBT SOLVING OF L7 & L8

Video

01:35:41

CLASS NOTE

PDF

LECTURE-9(PART 1) DOUBT SOLVING CLASS

Video

01:04:55

CLASS NOTE

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LECTURE-9 PART 2 DOUBT SOLVING

Video

01:01:20

CLASS NOTE OF PART 2

PDF

10 YEARS QUESTION

GROUP THEORY - LONG ANS TYPE QUESTION (10 YEARS)

PDF

GROUP THEORY - MCQ (10 YEARS)

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GROUP THEORY 10 YEARS

PDF

CYCLIC GROUP - 10 YEARS

PDF

SUBGROUP

LECTURE 1

Video

01:34:01

CLASS NOTE L-01

PDF

LECTURE-2

Video

01:46:19

CLASS NOTE L-02

PDF

LECTURE-3

Video

01:48:01

CLASS NOTE L-3

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LECTURE-4

Video

00:57:19

CLAS NOTE L-4

PDF

LECTURE-5

Video

01:12:28

CLASS NOTE L-5

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LECTURE-6

Video

01:44:01

CLASS NOTE L-06

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LECTURE-7

Video

02:07:05

CLASS NOTE L-07

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CHAPTERWISE SOLUTION

SOLUTION-EXERCISE 4

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SOLUTION - EXERCISE 8

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SOLUTION- EXERCISE 9

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SOLTUION - EXERCISE 10

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SOLUTION -EXERCISE 11

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SOLUTION- EXERCISE 12

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CYCLIC GROUP

LECTURE 1

Video

01:24:35

CLASS NOTE L1

PDF

LECTURE 2

Video

00:54:52

CLASS NOTE L2

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LECTURE 3

Video

01:07:53

CLASS NOTE L3

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LECTURE 4

Video

01:42:03

CLASS NOTE L4

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LECTURE 5

Video

01:02:09

CLASS NOTE L5

PDF

LECTURE 6

Video

01:42:20

CLASS NOTE L6

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LECTURE 7

Video

01:28:04

CLASS NOTE L7

PDF

LECTURE 8

Video

01:33:41

CLASS NOTE L8

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COSET

LECTURE 1

Video

01:41:00

CLASS NOTE L1

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LECTURE 2

Video

01:16:59

CLASS NOTE L2

PDF

LECTURE 3

Video

01:56:10

CLASS NOTE L3

PDF

LECTURE-4

Video

01:30:13

LECTURE-5

Video

00:30:02

LECTURE-6

Video

00:40:37

CLASS NOTE L-04&05

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CLASS NOTE L-06

PDF

LECTURE-7

Video

01:13:08

CLASS NOTE L--07

PDF

PREVIOUS YEAR SOLUTION

YEAR 2022 SOLUTION

Video

01:13:08

CLASS NOTE

PDF

LECTURE 2 - YEAR 2022

Video

00:42:45

CLASS NOTE L2

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25 DAYS CHALLENGE

DAY 1

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DAY 2

Image

DAY 3

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DAY 4

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DAY 5

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DAY 6

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DAY 7

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DAY 8

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DAY - 9

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DAY - 10

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DAY - 11

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DAY - 12

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DAY - 13

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DAY - 14

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DAY - 15

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DAY - 16

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DAY - 17

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DAY - 18

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DAY - 19

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DAY - 20

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DAY - 21

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DAY - 22

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IMP SUGGESTION VIDEO

LECTURE-1

Video

01:45:42

CLASS NOTE

PDF

NORMAL SUBGROUP

LECTURE 1

Video

01:22:49

CLASS NOTE L1

PDF

LECTURE 2

Video

01:35:23

CLASS NOTE L2

PDF

LECTURE 3

Video

01:41:03

CLASS NOTE OF LEC-3

PDF

LECTURE 4

Video

01:33:29

CLASS NOTE L4

PDF

LECTURE 5

Video

01:13:54

CLASS NOTE OF LEC 5

PDF

LECTURE 6

Video

02:12:01

CLASS NOTE L6

PDF

LECTURE 7

Video

01:22:31

CLASS NOTE L7

PDF

NORMAL SUBGROUP TEN YEARS QUESTION

PDF

NORMAL SUBGROUP - EXERCISE SOLUTION

PDF

CLASS NOTE L8

PDF

LECTURE 8

Video

02:27:02

DIRECT PRODUCT

LECTURE 1

Video

01:32:28

CLASS NOTE OF L1

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LECTURE 2

Video

01:24:39

CLASS NOTE OF L2

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LECTURE 3

Video

01:36:24

CLASS NOTE L-3

PDF

LECTURE-4

Video

01:31:46

CLASS NOTE L-4

PDF

LECTURE 5

Video

01:22:43

CLASS NOTE L-5

PDF

LECTURE 6

Video

01:08:20

CLASS NOTE L6

PDF

HOMOMORPHISM

LECTURE-1

Video

02:04:47

LECTURE 2

Video

01:14:59

CLASS NOTE L2

PDF

LECTURE 3

Video

01:24:18

CLASS NOTE L3

PDF

LECTURE 4

Video

01:19:27

CLASS NOTE L4

PDF

LECTURE 5

Video

01:10:18

CLASS NOTE L5

PDF

LECTURE 6

Video

01:23:39

CLASS NOTE L6

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LECTURE 7

Video

01:29:42

CLASS NOTE L7

PDF

LECTURE 8

Video

01:42:58

CLASS NOTE L8

PDF

LECTURE 9

Video

01:43:46

CLASS NOTE L9

PDF

LECTURE 10

Video

01:09:16

CLASS NOTE L10

PDF

LECTURE 11

Video

01:37:28

CLASS NOTE L11

PDF

LECTURE 12

Video

01:09:51

CLASS NOTE L12

PDF

LECTURE 13

Video

01:33:19

CLASS NOTE L13

PDF

LECTURE 14

Video

01:32:22

CLASS NOTE L14

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LECTURE 15

Video

01:34:04

CLASS NOTE L15

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LECTURE 16

Video

01:16:17

CLASS NOTE L16

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LECTURE 17

Video

00:50:08

CLASS NOTE L17

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LECTURE 18

Video

01:57:05

CLASS NOTE L18

PDF

LECTURE 19

Video

01:34:17

CLASS NOTE L19

PDF

10 YEARS QUESTION

PDF

HOMOMORPHISM,ISOMORPHISM (UNIT - 5)

LECTURE-1

Video

02:04:47

LECTURE 2

Video

01:14:59

LECTURE 3

Video

01:24:18

LECTURE 4

Video

01:19:27

LECTURE 5

Video

01:10:18

LECTURE 6

Video

01:23:39

LECTURE 7

Video

01:29:42

LECTURE 8

Video

01:42:58

LECTURE 9

Video

01:43:46

LECTURE 10

Video

01:09:16

LECTURE 11

Video

01:37:28

LECTURE 12

Video

01:09:51

LECTURE 13

Video

01:33:19

LECTURE 14

Video

01:32:22

LECTURE 15

Video

01:34:04

LECTURE 16

Video

01:16:17

LECTURE 17

Video

00:50:08

LECTURE 18

Video

01:57:05

LECTURE 19

Video

01:34:17

RING THOERY (BASIC)

LECTURE-1

Video

01:20:01

LECTURE- 2

Video

01:37:35

LECTURE-3

Video

01:23:40

LECTURE -4

Video

01:40:39

LECTURE 1

Video

01:35:38

CLASS NOTE L1

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CLASS NOTE L2

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LECTURE 2

Video

02:11:47

LECTURE 3

Video

00:52:28

CLASS NOTE L3

PDF

LECTURE 4

Video

01:21:29

CLASS NOTE L4

PDF

LECTURE 5

Video

01:33:38

CLASS NOTE L5

PDF

LECTURE 6

Video

01:12:50

CLASS NOTE L6

PDF

LECTURE 7

Video

01:21:22

CLASS NOTE L7

PDF

LECTURE 8

Video

02:12:09

CLASS NOTE L8

PDF

10 YEARS

PDF

INTEGRAL DOMAIN

LECTURE 1

Video

01:10:56

CLASS NOTE L1

PDF

LECTURE 2

Video

00:50:46

CLASS NOTE L2

PDF

LECTURE 3

Video

01:20:17

CLASS NOTE L3

PDF

LECTURE 4

Video

01:06:38

CLASS NOTE L4

PDF

LECTURE 5

Video

01:05:00

LECTURE 5 PART 2

Video

00:07:25

CLASS NOTE L5

PDF

SUBRING

LECTURE 1

Video

01:53:56

CLASS NOTE L1

PDF

LECTURE 2

Video

01:03:46

CLASS NOTE L2

PDF

IDEAL

LECTURE 1

Video

01:00:52

CLASS NOTE L1

PDF

LECTURE 2

Video

01:20:23

CLASS NOTE L2

PDF

LECTURE 3

Video

01:11:45

CLASS NOTE L3

PDF

LECTURE 4

Video

01:28:36

CLASS NOTE L4

PDF

LECTURE 5

Video

01:18:02

CLASS NOTE L5

PDF

LECTURE 6

Video

01:36:07

CLASS NOTE L6

PDF

LECTURE 7

Video

01:10:52

CLASS NOTE L7

PDF

QUOTIENT RING

LECTURE 1

Video

01:18:58

CLASS NOTE L1

PDF

LECTURE 2

Video

01:32:04

CLASS NOTE L2

PDF

RING HOMOMORPHISM

LECTURE 1

Video

01:05:06

CLASS NOTE L1

PDF

RING THEORY - PYQ SOLVING

LECTURE 1 (RING THEORY ) - 2023

Video

01:32:22

CLASS NOTE L1

PDF

LECTURE 2 - YEAR 2022

Video

01:17:51

CLASS NOTE L2

PDF

LECTURE 3 - year 2020

Video

01:28:15

CLASS NOTE L3

PDF

2021 PYQ SOLUTION

PDF

POLYNOMIAL RING

LECTURE-1

Video

01:11:06

LECTURE-2

Video

01:53:27

LECTURE 3

Video

01:58:52

LECTURE 4

Video

01:04:02

DIFFERENTIAL EQUATION

31 Exercises • 136 Learning Materials

PRILIMINARIES

LECTURE-1

Video

00:20:26

LECTURE-2

Video

01:22:35

LECTURE - 3

Video

01:16:27

LECTURE - 4

Video

01:22:59

LECTURE - 5

Video

01:37:05

LECTURE - 6

Video

01:17:13

LECTURE - 7

Video

01:15:08

DIFFERENTIAL EQUATION PRELIMINARIES MCQ-1

DIFFERENTIAL EQUATION PRELIMINARIES MCQ-2

FIRST ORDER FIRST DEGREE

PDF - 1

PDF

LECTURE -2

Video

01:22:36

LECTURE - 3

Video

01:43:45

LECTURE - 4

Video

01:31:47

LECTURE - 5

Video

01:40:10

CHAPTER - 2B

PDF

CHAPTER - 2C

PDF

CHAPTER - 2D

PDF

CHAPTER - 2E

PDF

LECTURE - 6

Video

01:10:57

LECTURE - 7

Video

01:25:15

LECTURE - 8

Video

01:29:10

LECTURE - 9

Video

00:57:34

LECTURE -10

Video

01:08:20

LECTURE - 11

Video

01:16:58

LECTURE -12

Video

01:52:10

LECTURE - 13

Video

01:50:33

LECTURE -15 (LINEAR EQUATION)

Video

01:22:17

LECTURE -14 (LINEAR EQUATION)

Video

01:05:59

LECTURE -16

Video

01:13:29

LECTURE - 17

Video

00:55:12

LECTURE -18

Video

01:22:33

CHAPTER -2F

PDF

CHAPTER - 2G PART 1

PDF

CHAPTER -2G PART 2

PDF

CHAPTER -2G PART 3

PDF

CHAPTER -2H (NOTES)

PDF

CHAPTER -2H (SOLUTION)

PDF

SOLUTION OF MISCELLANEOUS

PDF

DIFFERENTIAL EQUATION PRELIMINARIES MCQ-3

TEN YEARS

TEN YEARS (2010-2021)

PDF

PRACTICE SET

PRACTICE SET - 1 ( 1ST ORDER 1ST DEGREE)

Assignment

PRACTICE SET -1 (1 ST ORDER 1ST DEGREE)

PDF

PRACTICE SET - 2 (1ST ORDER 1ST DEGREE)

Assignment

PRACTICE SET - 2 (1ST ORDER 1ST DEGREE)

PDF

PRACTICE SET -1 SOLUTION (1ST ORDER 1ST DEGREE)

PDF

PRACTICE SET -2 SOLUTION (1ST ORDER 1ST DEGREE)

PDF

PRACTICE SET -3 (CLAIRAUTS FORM)

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PRACTICE SET -3 SOLUTION (CLAIRAUTS FORM)

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PRACTICE SET -4 (LDE WITH CONSTANT COEFFICIENT)

PDF

differential equation mcq test-3.0

FIRST ORDER BUT NOT FIRST DEGREE

LECTURE - 1

Video

01:36:54

LECTURE - 2

Video

00:29:16

LECTURE - 3

Video

01:37:27

LECTURE - 4

Video

01:35:19

PDF -1 (CLAIROUTS FORM)

PDF

2ND ORDER DIFFERENTIAL EQUATION

LECTURE -1

Video

01:55:53

LECTURE -2

Video

01:05:08

LECTURE -3

Video

01:23:55

LECTURE -4

Video

01:23:26

LECTURE -5

Video

01:24:17

LECTURE -6

Video

01:02:34

LECTURE -7

Video

01:15:20

LECTURE -8

Video

01:17:01

SIMULTANEOUS LINEAR EQUATION

LRCTURE -1

Video

01:01:49

SERIES SOLUTION

LECTURE -1

Video

03:24:15

LECTURE -2

Video

02:24:09

LECTURE-3

Video

01:34:25

lecture-4

Video

00:42:29

UNDETERMINED COEFFICIENT

LECTURE -1

Video

01:23:19

lecture -2

Video

01:02:58

LECTURE -3

Video

01:23:41

EXAM

EXAM (15/01/2024)

Assignment

EXAM (15/01/2024)

PDF

25 DAYS CHALLENGE

DAY -1

Assignment

DAY -1

PDF

DAY -2

Assignment

DAY -2

PDF

DAY -3

Assignment

DAY -3

PDF

DAY -4 (C-PROGRAMMING)

Assignment

DAY -4 (C -PROGRAMMING)

PDF

DAY -5

Assignment

DAY -5

PDF

DAY -6

Assignment

DAY -6

PDF

DAY -7

Assignment

DAY -7

PDF

DAY -8

Assignment

DAY -8

PDF

DAY -9

Assignment

DAY -9

PDF

DAY -10

Assignment

DAY -10

PDF

DAY -11

Assignment

DAY -11

PDF

DAY -12

Assignment

DAY -12

PDF

DAY -13

Assignment

DAY -13

PDF

DAY -14

Assignment

DAY -14

PDF

day -14

Assignment

DAY -14

PDF

DAY -15

Assignment

DAY -15

PDF

DAY -16

Assignment

DAY -16

PDF

DAY -17

Assignment

DAY -17

PDF

DAY -18

Assignment

DAY -18

PDF

DAY -19

Assignment

DAY -19

PDF

DAY -20

Assignment

DAY -20

PDF

DAY -21

Assignment

DAY -21

PDF

DAY -22

Assignment

DAY -22

PDF

DAY -23

Assignment

DAY -23

PDF

DAY -24

Assignment

DAY -24

PDF

DAY -25

Assignment

DAY -25

PDF

Day -26

Assignment

DAY -26

PDF

DAY -27

Assignment

DAY -27

PDF

JAM M.C.Q QUESTION ANSWER

lecture -1

Video

01:16:46

LECTURE -2 (ONE MATH OF Undetermine coefficient)

Video

01:33:31

CU PREVIOUS YEAR MCQ

LECTURE -1

Video

01:10:16

VARIATION OF PARAMETER

LECTURE -1

Video

01:46:09

lecture -2

Video

01:07:42

LECTURE -3

Video

01:04:43

LECTURE -4

Video

01:09:18

DEPENDENT VARIABLE AND NORMAL FORM

LECTURE-1

Video

01:02:57

LECTURE -2

Video

01:11:49

LECTURE-3 (RECORDED)

Video

01:31:31

TEN YEARS SOLUTION

10 YEARS SOLUTION OF UNDETERMINED COEFFICIENT

PDF

10 YEARS SOLUTION OF VARIATION OF PARAMETER

PDF

25 DAYS CHALLENGE SOLUTION

DAY -4 SOLUTION

PDF

DAY -6 SOLUTION

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DAY -7 SOLUTION

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DAY -9 SOLUTION

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DAY -12

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DAY -15 SOLUTION

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DAY -18

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DAY -16 SOLUTION

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DAY -19

PDF

DAY 20

PDF

DAY -21

PDF

DAY -22

PDF

DAY -23

PDF

DAY -24

PDF

LINEAR AUTONOMOUS SYSTEM

LECTURE -1

Video

01:43:57

LECTURE-2

Video

02:05:50

LECTURE -3

Video

01:04:46

LECTURE 4 (RECORDING)

Video

01:52:14

pdf -1

PDF

pdf -2

PDF

BESSEL EQUATION

LECTURE 1

Video

01:36:57

LECTURE 2

Video

01:16:46

LECTURE 3

Video

01:24:57

10 YEARS

PDF

LECTURE 4

Video

00:56:17

CLASS NOTE L4

PDF

LEGENDRE EQUATION

LECTURE 1

Video

01:25:53

CLASS NOTE L1

PDF

LECTURE 2

Video

02:19:04

CLASS NOTE L2

PDF

Course Instructor

Ayan chakraborty

179 Courses • 6024 Students