Sequences and Series Part 3

Section: Mathematics

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Question : 46 of 93

Marks: +1, -0

Let a,ar,ar2,........ be an infinite G.P. If

∞

∑

n=0

arn=57 and

∞

∑

n=0

a3r3n=9747, then a+18r is equal to :

[9 Apr 2024 Shift 2]

27
46
38
31

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