


Ex 7.9
Ex 7.9, 2
Ex 7.9, 3
Ex 7.9, 4 Important
Ex 7.9, 5
Ex 7.9, 6
Ex 7.9, 7
Ex 7.9, 8 Important
Ex 7.9, 9
Ex 7.9, 10
Ex 7.9, 11 Important You are here
Ex 7.9, 12
Ex 7.9, 13
Ex 7.9, 14 Important
Ex 7.9, 15
Ex 7.9, 16 Important
Ex 7.9, 17 Important
Ex 7.9, 18
Ex 7.9, 19 Important
Ex 7.9, 20 Important
Ex 7.9, 21 (MCQ) Important
Ex 7.9, 22 (MCQ)
Ex7.9, 11 2 3 2 1 Step 1 :- Let F = 2 1 We can write integrate as 1 2 1 = 1 1 + 1 1 1 + 1 = A 1 + B + 1 1 1 + 1 = A + 1 + B 1 1 + 1 By Canceling denominator 1=A +1 +B 1 Putting = 1 1=A 1+1 +B 1 1 1 =A 0+=B 2 1= 2B B= 1 2 Similarly putting =1 1=A 1+1 +B 1 1 1 =A 2 +B 0 1=2A A= 1 2 Therefore, 1 1 +1 = 1 2 1 + 1 2 1 + 1 = 1 2 1 1 +1 = 1 2 1 +1 = 1 2 1 + 1 Hence F = 1 2 1 + 1 Step 2 :- 2 3 1 1 2 = 3 2 = 1 2 3 1 3+1 1 2 2 1 2+1 = 1 2 2 4 1 2 1 3 = 1 2 1 2 1 3 =