Math, asked by Haroon2147, 1 year ago

The sum of an ap whose first term is -4 and last term is 146 is 7171

aryandhar7450: What we have to do with it

Answers

Answered by abeyrjw

3

whAt do you want in it

Answered by harshitha100

5

Sn =7171
7171=n/2[a+l]
7171=n/2[-4+146]
7171=n/2[142]
7171=71n
n=101

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