Expand the function into Fouriers series on an interval In my book, the solution of this example starts with. I know i 0 because f(x) is an even function. But where did they get the from? Is that the solution for ?
Last edited by Pinsky; January 31st 2008 at 12:53 PM.
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Originally Posted by Pinsky Expand the function into Fouriers series on an interval If Then for and (because it is an even function). Thus, for . Do this by integration by parts.
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