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OpenStudy (anonymous):
Find the sum of 2^2 + 4^2+6^2......(2n)^2
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OpenStudy (experimentx):
factor our 2^2 ... this shouldn't be difficult.
OpenStudy (anonymous):
2*2 + 4*4 .........+ 2n*2n
OpenStudy (experimentx):
2^2(1^2 + 2^2 +3^2 + ... +n^2)
OpenStudy (anonymous):
oh....yup..)
OpenStudy (anonymous):
thxx
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