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RodinGood
@RodinGood
October 2021
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Упростить выражение:
9*3^n/ 3^(n+1)+3^(n-1)
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nKrynka
Решение
[9*(3^n)] / [3*(3^n) + (1/3)*(3^n)] = [27*(3^n)] / [(3^n)*(9 + 1)] = 27/10 = 2,7
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Answers & Comments
[9*(3^n)] / [3*(3^n) + (1/3)*(3^n)] = [27*(3^n)] / [(3^n)*(9 + 1)] = 27/10 = 2,7