Find the sum of the series 1 +3 +5+7+... upto n ternSolution – InterviewSolution

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1.	Find the sum of the series 1 +3 +5+7+... upto n ternSolution
Answer» Sum will be because this is an Arithmetic serieswith a = 1 and comman difference = 2n/2 [2a+(n-1)d]n/2[2+(n-1)2]n/2[2+2n-2]n/2*2nn^2

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