Question

another simple one but it was dead end for me..pls show me steps :DD

\(\LARGE \int \frac{x^3}{\sqrt{x^2 + 4}} dx\)

@apoorvk

Answer 1

:P

Answer 2

shall i try?

Answer 3

trig substitution...

@AravindG sure..

Answer 4

try x=2tan theta

Answer 5

i did...it brought me much later on to \(\LARGE \sec \theta \tan \theta (\sec^2 \theta -1) dx\)