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Let a and b be rational numbers. As always, prove your answers. (a) For which choices...

Let a and b be rational numbers. As always, prove your answers. (a) For which choices of a, b is there a rational number x such that ax = b? (b) For which choices of a, b is there exactly one rational number x such that ax = b?

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Colby Messinger answered 1 year ago
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