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OpenStudy (mony01):
what test can i use to solve this problem
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OpenStudy (mony01):
\[\sum_{n=1}^{\infty}\frac{ n ^{2} }{ 4^{n}+n }\]
OpenStudy (doc.brown):
Not brute force.
OpenStudy (mony01):
what?
OpenStudy (anonymous):
use comparison test with geometric series 1/4^n
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