Gujarat BoardEnglish MediumSTD 7MATHSRational Numbers2 Marks
Question
Simplify: $1\div\Big(-\frac{1}{2}\Big)$
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Answer
Given, $1\div\Big(-\frac{1}{2}\Big)$ The reciprocal of $\Big(-\frac{1}{2}\Big)$ is $\frac{2}{-1}$ So, $1\div\Big(-\frac{1}{2}\Big)\frac{1}{1}\times\frac{2}{-1}$ $=\frac{1\times2}{1\times (-1)}$ $=\frac{2}{-1}=-1$
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