Question

Ratio test on sum( (n^sqrt(2))/(2^n) ) from n=1 to infinity. Need help simplifying please =)

Answer 1

You want to prove convergence?

Answer 2

i know it converges...when i take an+1/an and multiply by the reciprocal the square roots in the exponent confuse me ~

Answer 3

its just index laws

Answer 4

I'll scan what I did.

Answer 5

Quicker than typing it up on this thing.

Answer 6

your the man

Answer 7

Let me know if there're problems :)

Answer 8

nope no prob, perfect, i just need a solid example sometimes , thanks =)

Answer 9

Great. You're welcome :D