find the sum of the AP's -37,-33,-23,..... to 12 terms
Anonymous:
ya
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Answered by
4
we have a=-37 n=12 if d is 4
sum =n/2{2a+(n-1)d}
= 6{-74+44}
=-6×30=-180
sum =n/2{2a+(n-1)d}
= 6{-74+44}
=-6×30=-180
Answered by
2
this ques is not in AP
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