CUET Mathematics - If M = bmatrix 2 \\ -1 \\ 3 bmatrix and N = [7 1 -4], then (MN)^T will be equal to: | PYQs + Solutions

CUET Mathematics 2025 13 May Shift 1

Algebra

Medium

applied

$\begin{bmatrix} 7 & 1 & -4 \\ 2 & -1 & 3 \\ 9 & 0 & -1 \end{bmatrix}$

$\begin{bmatrix} 14 & 2 & -8 \\ -7 & -1 & 4 \\ 21 & 3 & -12 \end{bmatrix}$

$\begin{bmatrix} 14 & -7 & 21 \\ 2 & -1 & 3 \\ -8 & 4 & -12 \end{bmatrix}$

✅ Correct Option: 4

Related questions:

14 May Shift 1

If A and B are skew-symmetric matrices, then which one of the following is NOT true?

15 May Shift 2

If $A = \begin{bmatrix} 2 & -3 \\ -4 & -7 \end{bmatrix}$ and $2A^{-1} = kI - A$ , where K is a real number and I is the identity matrix of order 2, then the value of K is:

16 May Shift 1

Match List-I with List-II

List-I	List-II
(Matrix A)	(Determinant of adj A)
(A) $\begin{bmatrix} 2 & 1 \\ -1 & 2 \end{bmatrix}$	(I) 3
(B) $\begin{bmatrix} 3 & 4 \\ 3 & 6 \end{bmatrix}$	(II) 6
(C) $\begin{bmatrix} 3 & 7 \\ -2 & -4 \end{bmatrix}$	(III) 5
(D) $\begin{bmatrix} 4 & 3 \\ 5 & 3 \end{bmatrix}$	(IV) 2

Choose the correct answer from the options given below:

CUET Mathematics 2025 13 May Shift 1 PYQs

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