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If $\mathrm{A}=\{\mathrm{a}, \mathrm{b}, \mathrm{c}, \mathrm{d}\}$ and the function $\mathrm{f}=\{(\mathrm{a}, \mathrm{b}),(\mathrm{b}, \mathrm{d}),(\mathrm{c}, \mathrm{a})$, $(\mathrm{d}, \mathrm{c})\}$, write $\mathrm{f}^{-1}$.
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Verified Answer
$\operatorname{Here} \mathrm{A}=\{\mathrm{a}, \mathrm{b}, \mathrm{c}, \mathrm{d}\}$
$$
\begin{aligned}
&\text { and } f=\{(a, b),(b, d),(c, a),(d, c)\} \\
&f^{-1}=\{(b, a),(d, b),(a, c),(c, d)\}
\end{aligned}
$$
$$
\begin{aligned}
&\text { and } f=\{(a, b),(b, d),(c, a),(d, c)\} \\
&f^{-1}=\{(b, a),(d, b),(a, c),(c, d)\}
\end{aligned}
$$
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