Math, asked by singhadarsh, 1 year ago

The pth term of an A.P. is 20 and its qth term is 10, show that the sum of its first (p+q)terms is p+q/2(30+10/p-q)

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Answered by Revti1

35

the answer is in the picture attached

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singhadarsh: nice,thanks for your help

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