Disprove the following by providing a counterexample in each case. (a) If a and b are of
Chapter 3, Problem 11(choose chapter or problem)
Disprove the following by providing a counterexample in each case. (a) If a and b are of opposite parity, then 2a + 3b is odd. (b) If x is a real number, then (x + 1)2 > 0.
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