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Find the summation,

9+16+29+54+103+............nth term

  • Math -

    Hmm. Using Newton's Divided Differences, we get

    Tn = 1/4 (x^4-6x^3+23x^2-14x+32)
    Sn = 1/20 x(x^4-5x^3+25x^2+15x+144)

    Seems a bit complicated for the average induction problem.

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