Question

if the sum of n terms of a gp is 2^n-1 then the common ratio is

Answer 1

Hey !!!

sn = 2^n - 1

let n = 1

s1 = 2¹ - 1

s1 = 1

here , s1 = t1 = 1

similarly

s2 = 2² - 1

s2 = 3

t2 = s2 - s1 = 3 - 1 = 2

t2 = 2

•°• common ratio = t2 /t1

=> 2/1 = 2 Answer ✔

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Hope it helps you !!!

@Rajukumar111