Given sum of the first `n `terms of an `A. P.` is `2n +3n^2`. Another `A. P.` is formed with th...
805 views · Published 12 October 2018 · 3:35 · Indexed 23 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW Given sum of the first `n `terms of an `A. P.` is `2n +3n^2`. Another `A. P.` is formed with the same first term and double of the common difference, the sum of `n` terms of the new `A. P.` is:
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