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1. If a and b are both even numbers, which of the following COULD be odd integer?

  • A. (a+1)2 + (b+1)2
  • B. (a+1)2 + (b+1)2
  • C. (a+1)2 + (b+1)2
  • D. (a+1)2 + (b+1)2

Answer: Option C

Explanation:


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