01:59:39

Differentiation part-9 (Advance Problem)

01:43:28

Differentiation part-14 (Advance Problem)

01:22:11

Differentiation part-11 (Advance Problem)

01:21:43

Differentiation part-8 (Advance Problem)

01:34:08

Differentiation part-10 (Advance Problem)

01:33:55

Differentiation part-12 (Advance Problem)

01:27:15

Differentiation part-13 (Advance Problem)

01:20:59

Differentiation part-7 (Advance Problem)

01:53:42

Differentiation part-6 (Advance Problem)

15:24

Engineering Series Part 2

01:07:58

Trigonometric Ratio Part 1

37:49

Chapter 7.7 Trigonometry Part 43

20:36

Engineering Series Part 1

01:06:52

Straight Lines 25 ( Equation of straight lines ) 3.5 - (Math -5)

01:14:33

Straight Lines 24 ( Equation of straight lines ) 3.5 - (Math -4)

01:01:26

Trigonometric Equation Class 2- Chapter 7.2 (2nd paper)

01:25:27

Trigonometric Equation Class 1- Chapter 7.2 (2nd paper)

01:04:30

Complex Number Class 10( জটিল সংখ্যা )

55:34

Straight Lines 21 ( Equation of straight lines ) 3.5 - (Math 1)

42:29

Straight Lines 22 ( Equation of straight lines ) 3.5 - (Math -2)

38:04

Complex Number Class 9 ( জটিল সংখ্যা )

01:24:00

Straight Lines 20 ( Equation of straight lines ) 3.5

24:16

Complex Number Class 11 ( জটিল সংখ্যা )

38:28

Complex Number Class 8 ( জটিল সংখ্যা )

01:00:51

Complex Number Class 7 ( জটিল সংখ্যা )

35:15

Straight Lines 19 (Slope of straight line ) 3.5

01:11:26

Complex Number Class 6 ( জটিল সংখ্যা )

59:17

Straight Lines 18 (Coordinate Geometry) 3.4

48:00

Complex Number Class 5 ( জটিল সংখ্যা )

59:52

Straight Lines 17 (Coordinate Geometry) 3.4

01:02:57

Straight Lines 16 (Coordinate Geometry) 3.3

56:43

Complex Number Class 4 ( জটিল সংখ্যা )

57:47

Straight Lines 15 (Coordinate Geometry) 3.3

43:02

Straight Lines L14 ( Coordinate Systems) 3.3

30:20

Straight Lines L13 ( Coordinate Systems) 3.3

45:52

Complex Number Class 3 ( জটিল সংখ্যা )

48:39

Complex Number Class 2 ( জটিল সংখ্যা ) Power of i

53:27

Basic Discussion of Complex Number Class 1 জটিল সংখ্যার মৌলিক আলোচনা

36:15

Straight Lines L12 ( Coordinate Systems) 3.2

35:03

Straight Lines L11 ( Coordinate Systems) 3.2

35:48

Straight Lines L10 ( Coordinate Systems) 3.2

56:17

Straight Lines L9 ( Coordinate Systems) 3.2

39:59

Straight Lines L8 ( Coordinate Systems) 3.2

33:02

Straight Lines L7 ( Coordinate Systems) 3.1

47:31

Straight Lines L6 ( Coordinate Systems) 3.1

43:43

Straight Lines L5 ( Coordinate Systems) 3.1

31:13

Straight Lines L4 ( Coordinate Systems) 3.1

23:24

Straight Lines L3 ( Coordinate Systems) 3.1

01:00:28

Straight Lines L2 ( Coordinate Systems) 3.1

01:40:52

Organic Chemistry part-3

01:26:09

Organic Chemistry part-4

01:23:50

Organics Chemistry part-6

01:32:21

Organic Chemistry part-5

01:27:32

Organic Chemistry part-2

01:09:04

Organic Chemistry Part-1

01:12:14

Straight Lines L1( Coordinate Systems) 3.1

46:02

Determinant (নির্ণায়ক) গনিত ১ম পত্র চ্যাপ্টার ১.২(part-13) Class 26

28:18

Determinant (নির্ণায়ক) গনিত ১ম পত্র চ্যাপ্টার ১.২(part-14) Class 27

06:59

Chapter 7.6 math 7 Trigonometry part 42

31:16

Chapter 7.6 math 6 Trigonometry part 41