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Re: If |a/b| and |x/y| are reciprocals and [#permalink]
13 Sep 2018, 12:32

1

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using the definition of absolute values, we can say a/b is either y/x or -y/x. but as the second condition implies, these two fractions hold opposite signs.

so a/b=-y/x

greprepclubot

Re: If |a/b| and |x/y| are reciprocals and
[#permalink]
13 Sep 2018, 12:32