Find the sum of following AP 37 , 33 , 29 ...... to 12 term
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Answered by
2
the answer of the following question is
708
708
Answered by
1
Answer:
-180
Step-by-step explanation:
Sn = n/2 [2a+( n-1) d]
Sn = 12/2 [ 2× (-37) + 11× 4]
Sn = 6[-74 + 44]
=> 6[-30]
=> -180
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