## anonymous 5 years ago integral dx/x^4 sqrtx^2+1083 I know that x=root1083 tan u

1. anonymous

If I understand your integral correctly: $x^{4}\sqrt{x ^{2}} = x^{5}$ Remember that: $1/x^{5} = x^{-5}$ Take it from there :)

2. anonymous

Ah, alrighty then, I get where to go now. Thank you. : )

3. anonymous

Np :)