If x and y are unique prime integers, which of the following must be odd?\nOptions:\n(A) xy^2\n(B) 2x+2y\n(C) 2x−2y\n(D) 2x/2y\n(E) x−y Think first, then make a decision. Some random thoughts:
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Any number multiplied by 2 has to be an even number henc So the answer is (E).
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