The value of the integral 
is
Given: 
let 
Now, let x = sin θ ⇒ dx = cos θ d θ
when,
and when x = 1, θ = π/2
Now, let cot θ = t ⇒ - cosec2 θ d θ
when,
= 6
Correct option is: (A)
9
The value of the integral is
Given:
let
Now, let x = sin θ ⇒ dx = cos θ d θ
when, and when x = 1, θ = π/2
Now, let cot θ = t ⇒ - cosec2 θ d θ
when,
= 6
Correct option is: (A)