Question Number 103278 by bachamohamed last updated on 13/Jul/20

     Σ_(k=0) ^∞  (1/(k!(k^4 +k^2 +1)))=?

Commented byDwaipayan Shikari last updated on 13/Jul/20

By ratio test it converges sir!

Commented bybachamohamed last updated on 14/Jul/20

yes