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Mathematics 19 Online
OpenStudy (anonymous):

Just trying to memorize some formulas. Is this correct? \[\sum^n_{n = 1}n^2 = \frac16n(n + 1)(2n + 1)\]

OpenStudy (turingtest):

yep

OpenStudy (anonymous):

Alright. Thanks :)

OpenStudy (turingtest):

http://pirate.shu.edu/~wachsmut/ira/infinity/answers/sm_sq_cb.html it's the most annoying one of the common three to remember

OpenStudy (anonymous):

THose will be useful in the future. I haven't been told to memorize them yet, but I'm sure they'll come up :)

OpenStudy (turingtest):

they come up in proving the power rule for integrals for one thing

OpenStudy (anonymous):

Oh alright. Thanks again! :)

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