I'm having a mind blank, can someone show that this series is convergent. ((k+2)^2)/k! summed from k=1 to infinity Cheers
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Hmm i think I got it. Ratio test =0 so converges
Originally Posted by Sam1111 I'm having a mind blank, can someone show that this series is convergent. ((k+2)^2)/k! summed from k=1 to infinity Cheers Putting , we get that , so the quotient test solves the problem. Tonio
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