Maths Introduction chapter no 4

• Maths Introduction Chapter no 4 16:02

Exercise 4.1

• Question no 1 to 3 12:14
• Question no 4 to 6 10:07
• Question no 7 23:14

Exercise 4.2

• Question no 1 to 6 27:13
• Question no 7 and 8 18:26

Exercise 4.3

• Question no 1 to 6 23:32
• Question no 7 and 8 17:11

Exercise 4.4

• Question no 1 to 3 19:34
• Question no 4 and 5 26:54