Inverse matrix of [ array cc 2 & -3 -4 & 2 array ] is -
Mathematics · JEE Main · NTA Exams — Matrices and Determinants
Inverse matrix of \(\left[\begin{array}{cc}
2 & -3 \\
-4 & 2
\end{array}\right]\) is -
- \(-\frac{1}{8}\left[\begin{array}{ll} 2 & 3 \\ 4 & 2 \end{array}\right]\)
- \(-\frac{1}{8}\left[\begin{array}{ll} 2 & 4 \\ 3 & 2 \end{array}\right]\)
- \(\frac{1}{8}\left[\begin{array}{ll} 2 & 3 \\ 4 & 2 \end{array}\right]\)
- \(\left[\begin{array}{ll} 2 & 3 \\ 4 & 2 \end{array}\right]\)
Answer
(A) - 1 8 [ array ll 2 & 3 4 & 2 array ]
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