Math
posted by A.j.nafis .
Find the summation,
9+16+29+54+103+............nth term

Hmm. Using Newton's Divided Differences, we get
Tn = 1/4 (x^46x^3+23x^214x+32)
Sn = 1/20 x(x^45x^3+25x^2+15x+144)
Seems a bit complicated for the average induction problem.
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