4) @ $a_n = (-1)^n \frac{(n+1)}{n^2 + n + 5}$ \\ ? $a_n = \sqrt[n]{2n \cdot 5^n \cdot 3^{2n+1}}$

          4) @ $a_n = (-1)^n \frac{(n+1)}{n^2 + n + 5}$ \\
 ? $a_n = \sqrt[n]{2n \cdot 5^n \cdot 3^{2n+1}}$

Added by Bobby T.

Alan S. Tussy, R. David Gustafson 5th Edition

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Step 1

The first step is to simplify the equation by dividing both sides by 6: y" + (1/6)an = (1/6)Stutzu Show more…

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6y" (+$) and = Stutzu 4 2n. 5 370+1 dn

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