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If sum of first m+n terms …

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If sum of first m+n terms is 0 , prove that sum of first m terms is equal to the sum of first n terms .
  • 1 answers

Abhay Sahal 4 years, 6 months ago

First take out value of d from m+n[2a+(m+n-1)d]=0 ie d=-2a/m+n-1 Then put this value of d separately in the sum of m and n Solve them they will come equal Use this formula of sum n/2[2a+(n-1)d]
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