Question

to find the integral of x/[(9-(x^2))^1/2)], is it quicker to use the quotient rule of u substitution?

Answer 1

* or, not of

Answer 2

i'd use substitution

Answer 3

should i substitute the x^2? i'm confused with how i should deal with the sqrt..

Answer 4

no substitute u = 9-x^2

Answer 5

is the answer -9+x^2 +c?

Answer 6

no the answer is \[-\sqrt{9-x ^{2}}+c\]