Solution

Solution

Solution steps
Apply Series Ratio Test:converges

Popular Examples

sum from n=1 to infinity of 9(0.4)^{n-1}sum from n=1 to infinity of 2/(n^2+9)sum from k=1 to infinity of (k^2)/(3^k)sum from i=1 to infinity of 1/(4i^2-1)sum from n=1 to infinity of (2^n)/(2n-1)

Frequently Asked Questions (FAQ)

  • What is the sum from n=0 to infinity of n2^{-n} ?

    The sum from n=0 to infinity of n2^{-n} is converges