If the sum of first m terms of an A.P. be n and sum of first n terms be m, then show that the ...
337 views · Published 11 October 2018 · 6:57 · Indexed 26 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If the sum of first m terms of an A.P. be n and sum of first n terms be m, then show that the sum of its first (m+n) terms is -(m+n).
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