An infinite geometric progression a1, a2, a3,... has the property that an = 3(an+ l + an+2 +….) for every n ≥ 1. If the sum a1 + a2 + a3 +….... = 32, then a5 is
Correct Answer :
3/32
Solution :
Correct Option: C
For any n ≥ 1, an = 3 (an+1 + an+2 + ……..)
∴ a1 = 3 (a2 + a3 + ……) or r = 1/4 and
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