Thursday, 11 January 2018

summation - Finding sum of a finite series.

Consider the series




q1p1+q1q2p1p2++q1q2qnp1p2pn

where pi+qi=1 and 0<pi<1 and 0<qi<1 for all i=1,2,,n.



How can I find the sum of this series? Please help me in this regard.



Thank you very much.

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