Question

here the problem im working on i got my answers to be 77/4..but its wrong...please helphttp://www.webassign.net/cgi-bin/symimage.cgi?expr=int_%28-2%29%5E%283%29%20%5C%28x%5E3-2%20x%5C%29%20dx

Answer 1

(x^4/4)-2x^2/2) \[\left(\begin{matrix}3 \\ -2\end{matrix}\right)\]

Answer 2

I got 45/4... ?

Answer 3

and i got up to (3^4/4 -9) - (-2)^4/4- (-2)^2

Answer 4

how?

Answer 5

=x^4/4-x^2=81/4 -9 - (4-4)=(81-36)/4=45/4

Answer 6

o i see you know what i did i change the signs to positive....thanks a lot

Answer 7

:)