Find a formula for the general term $a_n$ of the sequence (starting with $a_1$): $-\frac{2}{9}, \frac{3}{16}, -\frac{4}{25}, \frac{5}{36}, \dots$
Added by Matthew T.
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Step 1: The numerator of each term is one more than the term number, so the general numerator can be written as $n + 1$. Show more…
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