Question

Express as a Rational number [ ( 1 2 )^ -1 *(-4)^ -1 ] ¹​

Answer 1

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☆-48

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$( {12}^{ - 1} \times ( - 4)^{ - 1} ) ^{ - 1} \\ = > ( \frac{1}{12} \times \frac{ 1}{ - 4} ) ^{ - 1} \\ = > ( \frac{ - 1}{48} ) ^{ - 1} = \frac{48}{ - 1} \\ = > - 48$

hope it helps... ^_^