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Source: — Data Sufficiency |
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by akhpad » Sun May 02, 2010 9:17 am
gmatmachoman wrote:If m and n are integers, then what is the value of (-1)^m + (-1)^n + (-1)^m · (-1)^n ?

(1) m = 23522101
(2) n = 63522251
Statement 1:
m = 23522101 = Odd Number

(-1)^m = -1

(-1)^m + (-1)^n + (-1)^m · (-1)^n = -1 + (-1)^n - (-1)^n = -1

Sufficient

Statement 2:
n = 63522251 = Odd Number

(-1)^n = -1

(-1)^m + (-1)^n + (-1)^m · (-1)^n = -1

Sufficient


Answer: D
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