Question

Differentiation/Integration help. *question attached below* will give medal

Answer 1

So I'm stuck with this question, I absolutely have no idea what to do since integration isn't one of my strongest points. Can someone walk this thought with me, please?

Answer 2

chain rule

you know derivative of inverse tan function ?

Answer 3

Yes. \[\frac{ 1 }{ 1+x ^{2} }\]

Answer 4

so

for tan^-1 f(x),

1/(1+f(x)^2) * f'(x)

thats chain rule

Answer 5

here,
f(x) = sqrt (x^2-1 )

Answer 6

Hmm, I'm confused :S