- #1
frasifrasi
- 276
- 0
For the integral [tex]\int frac{x^3}{sqrt{1-x^2}} dx}[/tex]
==> okay...
what I meant was:
int of x^3 over sqrt(1-x^2)
--I trig substitute to get sin^(3)(x)cosxdx over cos x
and end up with sin^3(x)...this is obviously wrong, can anyone point out what i did wrong?
==> okay...
what I meant was:
int of x^3 over sqrt(1-x^2)
--I trig substitute to get sin^(3)(x)cosxdx over cos x
and end up with sin^3(x)...this is obviously wrong, can anyone point out what i did wrong?