Question

Integration with trig substitution?

Answer 1

\[\frac{ t }{ \sqrt{25-t ^{2}} }\]

Answer 2

and \[\frac{ x ^{3} }{ \sqrt{x ^{2}+100} }dx\]

Answer 3

in first 1 let t=5sin(theta)

Answer 4

\[t=5\sin(\theta)\]
\[dt=5\cos(\theta) dtheta\]

Answer 5

Yeah good job, that'll work, keep going with it.