Solution

Solution

Solution steps
Apply Series Ratio Test:converges

Popular Examples

sum from n=0 to infinity of n2^nsum from n=1 to infinity of sqrt(2^n)sum from n=1 to infinity of 1/(n^5+8)sum from n=0 to infinity of cos(n/2)sum from n=0 to infinity of ((-1)/3)^n

Frequently Asked Questions (FAQ)

  • What is the sum from k=1 to infinity of (k^2)/(4^k) ?

    The sum from k=1 to infinity of (k^2)/(4^k) is converges