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how to solve it 1+3+5+7+16-8-9.....upto 40terms

how to solve it 1+3+5+7+16-8-9.....upto 40terms

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1 Answers

ABHISHEK RAI
31 Points
11 years ago

put it on formula  for summation of ap  you get the  result.where A=1& D=2 ,n=40

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