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Mathematics 17 Online
OpenStudy (anonymous):

Can someone explain to me what I am doing wrong? -384/n^3 (n(n+1)/2)^2

OpenStudy (anonymous):

My result is -96(n-2-(1/n)) however this is wrong and I can't figure out why.

OpenStudy (precal):

|dw:1357254133341:dw|is this your problem?

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