Wow, thank you guys! That actually makes sense. I asked my teacher and he wasn't much help, but I guess he didn't know that I was plugging in the wrong n's. I have the right answers now. Thanks again :)
Homework Statement
Find the Maclaurin series of the function f(x) = 5(x^2)sin(5x)Homework Equations
\sum(Cn*x^n)
The Attempt at a Solution
I'm supposed to enter in c3-c7
I already know that c4 and c6 are 0 because the derivative is something*sin(0)=0
but for the odd numbered c's I am having...