Let Sn denote the sum of first n terms of an A.P. If S_2n = 3 Sn, then S3n : Sn is equal to

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Let Sn denote the sum of first n terms of an AP and 3Sn=S2n. What is S3n: S2n equal to

Let S_n denotes the sum of the first of n termsof A.P. and S_(2n)=3S_n . then the ratio S_(3n):S...

Let Sn be the sum of first n terms of an AP .If S3n=3S2n then the value of S4n/S2n is

Let Sn denotes the sum of n terms of an A.P. If S2n=3Sn, then ratio S3nSn=....

If Sn denotes the sum of first n terms of an A.P., and S2n = 3Sn then S3nSn is equal to....

Let Sn denotes the sum of n terms of an AP. Common difference d=Sn-k.S(n-1)+S(n-2). Find k.

Let `S_n` denote the sum of first n terms of an AP and `3S_n=S_(2n)` What is `S_(3n):S_n` equ...

`(1)` .Let `S_n` denote the sum of the first 'n' terms and `S_(2n)= 3S_n`. Then, the ratio `S_(...