Question

The first team of G.P is 2and sum to infinity is 6 then common Ratio

Answer 1

Formula for sum to infinity term in a gp is

S = a / (1-r)

And given here that a = 2

6 = 2 / (1-r)

6 x (1-r) = 2

(1-r) = 2 / 6

(1-r) = 1 / 3

-r = (1 / 3) - 1

-r = - 2 / 3

r = 2 / 3