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Mathematics 7 Online
OpenStudy (anonymous):

Help please! Will medal and fan!

OpenStudy (anonymous):

Find the minimum of \[\sum_{i=1}^{n}ia_i^2\]

OpenStudy (vishweshshrimali5):

We did that didn't we?? Last time

OpenStudy (vishweshshrimali5):

Using Cauchy Schwarz...

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