Question

find the sum of the series (1+1/2^2)+(1/2+1/2^4)+(1/2^2+1/2^6)_ _ _ to infinity​

Answer 1

Answer:

numbers are in g.p.

formula:a/1-r

a=1+1/2^2, r=1/2

1+1/2^2/1-1/2=1+1/2^2*2=2+2/2^2=2+1/2=5/2