Question:medium
If $\begin{pmatrix} e & f \\ g & h \end{pmatrix}$ is the inverse of the matrix $\begin{pmatrix} a & b \\ c & d \end{pmatrix}$ where $ad - bc = 1$, then $g$ equals
If $\begin{pmatrix} e & f \\ g & h \end{pmatrix}$ is the inverse of the matrix $\begin{pmatrix} a & b \\ c & d \end{pmatrix}$ where $ad - bc = 1$, then $g$ equals
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Always memorize inverse of $2\times2$ matrix—it saves time in exams.
Updated On: Apr 30, 2026
- $c$
- $-c$
- $b$
- $-b$
- $d$
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The Correct Option is B
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