Mathematics, 01.04.2021 15:00 keaton3410

Please answer this question: 1.)
2.)
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${3}^{n + 2} + \: ({3}^{n + 3} - \: {3}^{n + 1})$
$\frac{( {25}^{ - 1} + ( {25}^{ - 2})}{( {625}^{0} + ( {25}^{ - 2} )}$

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