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Composition of ratios - class-XII
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The reciprocal of $\dfrac {-5}{13}$ is _____
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A
$\dfrac {-13}{5}$
💡 Explanation:
The reciprocal (also known as the multiplicative inverse) is the number we have to multiply to get an answer equal to the multiplicative number with recipocal of it is 1.
Then $\frac{-5}{13}\times \frac{-13}{5}=1$.
So recipocal of $\frac{-5}{13}$ is $\frac{-13}{5}$.
So answer is (B) $\frac{-13}{5}$.