GRE like question

Forum for the GRE subject test in mathematics.
DDswife
Posts: 154
Joined: Thu Aug 14, 2014 5:29 pm

GRE like question

Postby DDswife » Sat Aug 11, 2018 12:16 am

One of my students got me with this question. I thought of posting it here because it was interesting (once I could figure it out!)

Calculate sum [0 to oo] (-1)^x / [3^(2n+1) * (2n+1)!]



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