anonymous 4 years ago find the following integral. Use the fundamental theorem of Calculus when appropriate

1. anonymous

$\int\limits_{1}^{-2}3x ^{2}dx$

2. anonymous

'anti derivative' is $x^3$ plug in -2, plug in 1, subtract the second from the first

3. anonymous

$3(-2)^{2}d(-2)$

4. anonymous

like this?

5. anonymous

should get -9

6. anonymous

7. anonymous

Satellite has done it above ^^ just do this: (-2)^3 - (1)^3 = -8 -1 = -9

8. anonymous

what callum said