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Sum of n term

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Sum of n term

Posted by Manish Mandal 3 years, 10 months ago

CBSE > Class 10 > Mathematics

2 answers

M R 3 years, 9 months ago

It is equal to n divided by 2 times the sum of twice the first term – 'a' and the product of the difference between second and first term-'d' also known as common difference, and (n-1), where n is numbers of terms to be added. Sum of n terms of AP = n/2[2a + (n – 1)d]

0Thank You

Neelam Kumari 3 years, 10 months ago

N/2{2a+(n-1)d}=Sñ Sñ= n/2{a+añ}

1Thank You

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CBSE > Class 10 > Mathematics