If A= [ ll 2 & 5 1 & 3 ] then A^ -1 = - Vidyadip

MCQ

If $A=\left[\begin{array}{ll}2 & 5 \\ 1 & 3\end{array}\right]$ then $A^{-1}=$

A
$\left[\begin{array}{rr}3 & -5 \\ 1 & 2\end{array}\right]$
✓
$\left[\begin{array}{rr}3 & -5 \\ -1 & 2\end{array}\right]$
C
$\left[\begin{array}{rr}3 & 5 \\ -1 & 2\end{array}\right]$
D
$\left[\begin{array}{ll}3 & -5 \\ 1 & -2\end{array}\right]$

✓

Answer

Correct option: B.

$\left[\begin{array}{rr}3 & -5 \\ -1 & 2\end{array}\right]$

(b) $\left[\begin{array}{rr}3 & -5 \\ -1 & 2\end{array}\right]$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "MCQ" from Matrices (p-1)→Matrices (p-1) — all question types→Maths (commerce) STD 12 Commerce / Arts question papers→Maharashtra Board STD 12 Commerce / Arts question papers→Maharashtra Board question paper generator→

Similar questions

If $A$ and $B$ are two square matrices of order 3 , then $(A B)^{\top}=$______

Regression equation of X and Y is

The corner points of the feasible region given by the inequation x + y ≤ 4, 2x + y ≤ 7, x ≥ 0, y ≥ 0, are

The differential equation of $y = k _1+\frac{k_2}{x}$ is

The constraint that in a college there are more scholarship holders in FYJC class (X) than in SYJC class (Y) is given by

The assignment problem is solved by ______

If $A =\left[\begin{array}{cc}1 & 2 \\ -3 & -1\end{array}\right], B =\left[\begin{array}{rr}-1 & 0 \\ 1 & 5\end{array}\right]$ then $AB =$

$b_{x y} \cdot b_{y x}=$ _________

Choose the correct alternative:
Bacterial increases at the rate proportional to the number present. If original number $M$ doubles in 3 hours, then number of bacteria will be $4 M$ in

If $A$ is a $2 \times 2$ matrix such that $A(\operatorname{adj} A)=\left[\begin{array}{ll}5 & 0 \\ 0 & 5\end{array}\right]$, then $|A|=$