October 9, 2015

Homework Help: calculus

Posted by Tom on Saturday, February 2, 2013 at 3:48pm.

Using an upper-case "C" for any arbitrary constants, find the general indefinite integral

∫ (-2-t)(-9-t^2) dt

Now I multiplied both parentheses to get:

∫ (18 + 2t^2 + 9t + t^3) dt

now I integrated and got:

18t + 2t^3/3 + 9t^2/2 + t^4/4 + C

but I'm told this answer is incorrect.
What am I doing wrong?

Thank you

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