Question: Please solve this 2 questions with discrete math. Problem 11. Let :r be a real number. Then :13 = 1 if and only if 133
Please solve this 2 questions with discrete math.

Problem 11. Let :r be a real number. Then :13 = 1 if and only if 133 3:132 + 45." 2 = 0. Problem 12. An integer n is even if and only,r if n2 is even
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