Question:
If matrix \( A = \begin{pmatrix} 3 & 2 & 4 \\1 & 2 & -1 \end{pmatrix} \) and
If matrix \( A = \begin{pmatrix} 3 & 2 & 4 \\1 & 2 & -1 \end{pmatrix} \) and
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Use the determinant formula for a 2x2 matrix to find the value.
Updated On: Jan 12, 2026
- \( 4 \)
- \( -4 \)
- \( 5 \)
- \( 7 \)
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The Correct Option is A
Solution and Explanation
To find the determinant, use the matrix determinant formula.
Final Answer: \[ \boxed{4} \]
Final Answer: \[ \boxed{4} \]
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