Practice Introduction to Matrix - Class 12th Hindi Medium Offered by Unacademy

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Introduction to Matrix

Quick practice

Question 1 of 5

If A is an invertible matrix such that $A^{-1}=\left[\begin{array}{cc} 23 & -25 \\ -5 & 3 \end{array}\right],$ find $\left(A^{T}\right)^{-1}$

A

$\left[\begin{array}{cc} 25 & -5 \\ -23 & 3 \end{array}\right]$

B

$\left[\begin{array}{cc} 23 & -5 \\ -25 & 3 \end{array}\right]$

C

$\left[\begin{array}{cc} -23 & -5 \\ -25 & -3 \end{array}\right]$

D

$\left[\begin{array}{ll} 23 & 5 \\ 25 & 3 \end{array}\right]$