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derive the formula for the sum of first n terms of ap,whose first term is a and the common difference is d.

Posted by Tanuja Chavan 3 years, 10 months ago

CBSE > Class 10 > Mathematics

2 answers

Sia ? 3 years, 10 months ago

The sum of arithmetic progression whose first term is a and the common difference is d can be calculated using one of the following formulas: S_n = n/2 (2a+(n−1)d) and S_n = n/2 (a₁+a_n). The sum of AP of n natural numbers is n(n+1)/2.

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Kishan Kishan Nm 3 years, 10 months ago

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