Question

The first term of a G.P. is 2 and the sum to infinity
is 6. Find the common ratio.

Answer 1

Answer:

r = (2/3)

Step-by-step explanation:

Sum infinite GP is a/(1-r)

∴6=2/(1-r)

∴r=(2/3)

NOTE: this formula is only applicable if |r| is less than 1....