Question

Find the sum:

Answer 1

\[\sum_{n=1}^{\infty} 5 (1/4)^n\]

Answer 2

What type of math is this lol

Answer 3

calc II

Answer 4

great. I'm doing precalc :P

Answer 5

calc II is basically integrals and sequences, no fun.

Answer 6

simple a=5(1/4)^1=5/4
r=5(1/4)^2/5(1/4)^1=5*4/16*5
=1/4
now sum to infinity=a/1-r=(5/4)/(1-1/4)
=5*4/3*4=5/3