document.write( "Question 425529: I need to prove: \r
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Algebra.Com's Answer #296271 by richard1234(7193) $\"\"$ $\"About$

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We need to use the fact that if a,b are nonzero integers, then $\"b%2Fa\"$ is an integer if and only if a|b. Since $\"b%2Fa\"$ is an integer we can multiply by x and say that $\"bx%2Fa\"$ is also an integer. This implies that a|bx.\r
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