If the sum of the first 2n terms of the `A.P.2,5,8,�,` is equal to the sum of the first n terms of
Channel: Doubtnut
Date: 26/01/2020

If the sum of the first 2n terms of the `A.P.2,5,8,�,` is equal to the sum of the first n terms of the `A.P.57,59,61,�,` then n equals