If y = {log (x + √x 2 + 1) 2 , show that (1 + x 2 ) .

Question

Philoid · Accepted Answer

Formula: –

Given: –

Differentiating w.r.t x

Using formula(ii)

Using formula(i)

Squaring both sides

Differentiating w.r.t x

Using formual(iii)

Hence proved