Math, asked by bhooshanpoojary99, 5 months ago

In an AP a is the frist term, I is the last term, n is the number of terms then Sn = ? ​

Answers

Answered by tennetiraj86
2

Step-by-step explanation:

Given:-

a is the first term in the AP

l is the last term in the AP

n is the number of terms in the AP

Sum of first n terms =Sn=n(a+l)/2

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