Entered (3/2)(n^2)+(1/2)n-1 Use polynomial fitting to find the formula for the nth term of the sequence $(a_n)_{n\geq 0}$ which starts, 1, 6, 14, 25, 39, 56, ... $a_n = $ 3/2n^2+1/2n- Answer Preview $\frac{3}{2}n^2 + \frac{1}{2}n - 1$
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Step 1: We are given the sequence anno which starts 1, 6, 14, 25, 39, 56. Show more…
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