1.

If the sum of first 2n terms of 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

Answer»

If the sum of first 2n terms of 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



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