Find the sum of the series, `1.3.4+5.7.8 9.11.12+........ `upto n terms.
962 views · Published 13 October 2018 · 2:51 · Indexed 3 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW Find the sum of the series, `1.3.4+5.7.8 9.11.12+........ `upto n terms.
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