I have to sequence 2*(n-1)*x^(2n), I have tried integrating and then finding the sum and then derivating the sum, and I allmost get the right answer.(adsbygoogle = window.adsbygoogle || []).push({});

But I think I am integrating wrong since I really dont know of the integrate when I have ^(2n), and not only n.

please help

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# Need help finding the sum of a sequence

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