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The pth term of an A.P. is a and qth ter...

The pth term of an A.P. is `a` and qth term is `bdot` Then find the sum of its `(p+q)` terms.

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CENGAGE ENGLISH-SEQUENCES AND SERIES-All Questions
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  11. If x is a positive real number different from 1, then prove that the n...

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  19. Find the sum to n terms of the series 3//(1^2xx2^2)+5//(2^2xx3^2)+7//(...

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  20. Find the sum sum(r=1)^n1/((a r+b)(a r+a+b))dot

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