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The sum to infinity of the series 1+4/7+...

The sum to infinity of the series `1+4/7+9/49+16/343+....` is

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Knowledge Check

  • If the sum to infinity to the series 1+4x+7x^2+10x^3+..... is 35/16 the value of x is

    A
    44201
    B
    19/7
    C
    44396
    D
    none of these

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