Question

Evaluate the indicated integral.

Answer 1

ok

Answer 2

let u = x^3; du = 3x^2 dx

Answer 3

what do i do next?

Answer 4

1/3 integral of cosu du

Answer 5

make the substitution literally. for u and du

Answer 6

x^2dx = du/3

Answer 7

ok

Answer 8

integral of cosu du= sinu

Answer 9

okay

Answer 10

so thats it?

Answer 11

then u re-plug in the subsitution.

final answer should be 1/3 (sin(x^3))

Answer 12

+ C

Answer 13

okay

Answer 14

okay