2. Let x be a real number. Prove that if x < 1 or x>4, then (x - 1)(x – 4) > 0.
Posted: Tue Sep 07, 2021 7:35 am
2. Let x be a real number. Prove that if x < 1 or x>4, then (x - 1)(x – 4) > 0.
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