Find a power series representation of the function: Here is what I did: Which is not right. The correct answer is: But I don't understand how you would get that answer.
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You messed up your brackets: Now you have to modify your indices so you can add them together:
Originally Posted by mollymcf2009 Find a power series representation of the function: Here is what I did: Which is not right. The correct answer is: But I don't understand how you would get that answer. It's probably easier to notice that use the usual power series for multiply by 3 and substract 1.
Originally Posted by o_O You messed up your brackets: Now you have to modify your indices so you can add them together: That definitely helps, but I still don't see how you end up with 2+3..
Originally Posted by danny arrigo It's probably easier to notice that use the usual power series for multiply by 3 and substract 1. THANK YOU!!! That is the simple explanation that I needed!
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