Question

What is the sum of first eight terms of the series 1-1/2+1/4-1/8+...?
(a)89/128
(b) 57/384
(c)85/128
(d) None of these​

Answer 1

Step-by-step explanation:

the sum of first eight terms of the series of 1-1/2+1/4-1/8+...

is 89/128

Hope this will help you

Answer 2

Answer:

89/ 128 hope it will help you