What is the value of the integer n? (1) n(n + 2) = 15 (2) (n : DS Archive
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# What is the value of the integer n? (1) n(n + 2) = 15 (2) (n

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What is the value of the integer n? (1) n(n + 2) = 15 (2) (n [#permalink]

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02 Sep 2004, 15:43
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What is the value of the integer n?
(1) n(n + 2) = 15
(2) (n + 2)^n = 125
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02 Sep 2004, 17:14
B.

1. n=3 or n=-5
2. 5^3 = 125. so, n=3
02 Sep 2004, 17:14
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