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+1 vote
16.4k views
in Mathematics by (15.7k points)

Let S be the sum of the first n terms of an arithmetic progression. If S3n = 3S2n, then the value of \(\frac{S_{4n}}{S_{2n}}\) is :

(1) 6 

(2) 4 

(3) 2 

(4) 8

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1 Answer

+2 votes
by (15.2k points)

Correct option (1) 6

Let a be first term and d be common diff. of this A.P. 

Given S3n = 3S2n

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