Math, asked by pruthvisinh, 6 months ago

find the sum of the following A. Ps :- -1, -3, -5, -7, ........51 terms

answer fast

Answers

Answered by agarwalanant2004

3

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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