Find the multiplicative inverse (i.e., reciprocal) of:
(i) $\frac{13}{25}$
(ii) $\frac{-17}{12}$
(iii) $\frac{-7}{24}$
(iv) 18
(v) $-16$
(vi) $\frac{-3}{-5}$
(vii) $-1$
(viii) $\frac{0}{2}$
(ix) $\frac{2}{-5}$
(x) $\frac{-1}{8}$
(i)Reciprocal of $\frac{13}{25}$ is $\frac{25}{13}$.
(ii) Reciprocal of $\frac{-17}{12}$ is $\frac{12}{-17}$, that is, $\frac{-12}{17}$.
(iii) Reciprocal of $\frac{-7}{24}$ is $\frac{24}{-7}$, that is, $\frac{-24}{7}$.
(iv) Reciprocal of 18 is $\frac{1}{18}$.
(v) Reciprocal of $-16$ is $\frac{1}{-16}$, that is, $\frac{-1}{16}$.
(vi) Reciprocal of $\frac{-3}{-5}$ is $\frac{-5}{-3}$, that is, $\frac{5}{3}$.
(vii) Reciprocal of $-1$ is $-1$
(viii) Reciprocal of $\frac{0}{2}$ does not exist as $\frac{2}{0}=\infty .$
(ix) Reciprocal of $\frac{2}{-5}$ is $\frac{-5}{2}$.
(x) Reciprocal of $\frac{-1}{8}$ is $-8$.
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