Question

Evaluate the definite integral...

Answer 1

#72

Answer 2

All I see is black.

Answer 3

use \(u=x^3+8)\)

Answer 4

and change the limits of integration at the same time

Answer 5

From -2 to 4 of \[x^2(x^3 + 8)^2 \]

Answer 6

So the limits change to 0 to 72?

Answer 7

yes

Answer 8

\[\frac{1}{3}\int_{0}^{72}u^2du\]

Answer 9

I got 576 as final.

Answer 10

idk i didn't do it
you want me to check?

Answer 11

Sure. I got a different answer when I plugged it into the calculator.

Answer 12

i got a much bigger number

Answer 13

41472?

Answer 14

should be \[\frac{1}{9}72^3\]

Answer 15

http://www.wolframalpha.com/input/?i=72^3%2F9

Answer 16

Yeah I got it, just squared instead of cubed. Thank you!

Answer 17

yw