The sum of the first n terms of an arithmetic progression is 252. If the first term is -16 and the last term is 72, find the number of terms in the series
a
6
b
7
c
8
d
9
Explanation
Correct Option
dVideo Explanation
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The sum of the first n terms of an arithmetic progression is 252. If the first term is -16 and the last term is 72, find the number of terms in the series
6
7
8
9
