int({f(x)*phi'(x)-f'(x)*phi(x)})/(f(x)*p...

`int({f(x)phi'(x)-f'(x)phi(x)})/(f(x)*phi(x)){logphi(x)-logf(x)}dx` is equal to

A

a) `"log"(phi(x))/(f(x))+k`

B

b) `1/2{"log"(phi(x))/(f(x))}^(2)+k`

C

c) `(phi(x))/(f(x))"log"(phi(x))/(f(x)) +k`

D

d) None of these

Verified by Experts

The correct Answer is:

B

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