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The sum of 50 terms of the series 3/(1^2...

The sum of 50 terms of the series `3/(1^2)+5/(1^2+2^2)+7/(1^2+2^2+3^2)+...........` is (a).`(100)/(17)` (b). `(150)/(17)` (c). `(200)/(51)` (d). `(50)/(17)`

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