यदि A= [ cc 2 & -3 4 & 6 ] तो A^ -1 = - Vidyadip

MCQ

यदि $A=\left[\begin{array}{cc}2 & -3 \\ 4 & 6\end{array}\right]$ तो $A^{-1}=$

A
$\left[\begin{array}{ll}\frac{1}{4} & \frac{1}{8} \\ \frac{1}{6} & \frac{1}{12}\end{array}\right]$
✓
$\left[\begin{array}{cc}\frac{1}{4} & \frac{1}{8} \\ -\frac{1}{6} & \frac{1}{12}\end{array}\right]$
C
$\left[\begin{array}{cc}4 & 8 \\ 6 & 12\end{array}\right]$
D
$\left[\begin{array}{cc}4 & 8 \\ -6 & 12\end{array}\right]$

✓

Answer

Correct option: B.

$\left[\begin{array}{cc}\frac{1}{4} & \frac{1}{8} \\ -\frac{1}{6} & \frac{1}{12}\end{array}\right]$

B

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