Question

In a G.P.

(a) The first term is and sixth term is , find r.

(b) If T₈ = 32 and r = 2, find a.

(c) Which term of the G.P. 1, 2, 4 …….. will be 256.

Answer 1

(a) We need to find , when the first term is and the sixth term is .

(b) We need to find a, if and .

(c) We need to find which term is 256 in the G.P. 1, 2, 4 …

Hence, 256 is the 9^th term of the given G.P.