Question:medium
If \( A=\begin{bmatrix}2x & 0 x & x \end{bmatrix} \) and \( A^{-1}=\begin{bmatrix}1 & 0 -1 & 2 \end{bmatrix} \), find \(x\)
If \( A=\begin{bmatrix}2x & 0 x & x \end{bmatrix} \) and \( A^{-1}=\begin{bmatrix}1 & 0 -1 & 2 \end{bmatrix} \), find \(x\)
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Always verify inverse conditions completely, not just diagonal entries.
Updated On: May 1, 2026
- \( 2 \)
- \( \frac{1}{2} \)
- \( 1 \)
- \( 3 \)
- \( 0 \)
Show Solution
The Correct Option is C
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