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Why is the product of two rational numbers always rational? Select from the drop-down menus to correctly complete the proof. Let ab and cd represent
Why is the product of two rational numbers always rational? Select from the drop-down menus to correctly complete the proof. Let ab and cd represent two rational numbers. This means a, b, c, and d are Choose... , and Choose... . The product of the numbers is acbd, where bd is not 0. Because integers are closed under Choose... , acbd is the ratio of two integers, making it a rational number
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