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Question
If x and y are natural numbers such that x + y = 2017, then what is the value of (−1)x + (−1)y?
Options
2
−2
0
1
MCQ
Solution
0
Explanation:
Even + Odd = Odd
Hence, (−1)even + (−1)odd
= 1 − 1
= 0
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Number System (Entrance Exam)
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