Question

Find a formula for $s_n$, $n \ge 1$ for the sequence -1, 2, 7, 14, 23, .... $s_n = \frac{n}{6}(2n^2 + 3n - 17)$ Check Answer

          Find a formula for $s_n$, $n \ge 1$ for the sequence -1, 2, 7, 14, 23, ....
$s_n = \frac{n}{6}(2n^2 + 3n - 17)$
Check Answer

Find a formula for sn, n ≥ 1 for the sequence -1, 2, 7, 14, 23, ....
sn = (n)/(6)(2n^2 + 3n - 17)
Check Answer

Added by Matthew S.

Calculus: Early Transcendentals

James Stewart 8th Edition

Instant Answer

Solved by Expert Ankit Gupta

08/05/2020

Step 1

Step 1: The formula for the sum of the first n terms of an arithmetic sequence is $S_n = \frac{n}{2}(a_1 + a_n)$, where $a_1$ is the first term and $a_n$ is the nth term. Show more…

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Find a formula for $s_n$, $n \ge 1$ for the sequence -1, 2, 7, 14, 23, .... $s_n = \frac{n}{6}(2n^2 + 3n - 17)$

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Find a formula for $s_n$, $n \ge 1$ for the sequence -1, 2, 7, 14, 23, .... $s_n = \frac{n}{6}(2n^2 + 3n - 17)$ Check Answer

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