find the sum of the following A. Ps :- -1, -3, -5, -7, ........51 terms
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sn=n/2[2a+(n-1)d]
sn=51/2[2 X -1+(51-1)-2]
sn=51/2(-102)
sn=51 x -51
sn=-2601
Step-by-step explanation:
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