What is the sum of A.P. if the first term is 'a' and the last term of the A.P. is 'l' and the number of terms are 'n' ?

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What is the sum of A.P. if the first term is 'a' and the last term of the A.P. is 'l' and the number of terms are 'n' ?

Ravindra Pindel 29th Sep, 2021

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Answer (1)

Ravindra Pindel 29th Sep, 2021

Sum of A.P. = n(a+l)/2

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