O and by the way this is for leisurely purposes so no rush

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- Apr 16th 2008, 05:17 PM #1
## Ingtegral

ok so where did I go wrong.. ...

so I first did this ...so then I seperated it to get

Then using substitution by power series I got

...then I went

...could someone point out my mistake...thanks

- Apr 16th 2008, 06:18 PM #2

- Apr 17th 2008, 12:35 AM #3

- Apr 17th 2008, 03:36 AM #4

- Apr 17th 2008, 07:50 AM #5

- Apr 17th 2008, 08:24 AM #6

- Apr 17th 2008, 08:29 AM #7

- Apr 17th 2008, 08:36 AM #8
I argued it too ^_^ (didn't get the points back, though)

Best I can figure is that the function applies to the funciton directly to it's right, In this case, that means f(x) = x^2, and g(x) = mx^2 so this is cos f(g(x))

This may not be what the problem is, IDK, but since the OP doesn't include the answer, I figured it could be, since I've experienced similar frustration in the past.

- Apr 17th 2008, 12:49 PM #9

- Apr 17th 2008, 01:10 PM #10