CUET Mathematics - If det pmatrix 2x/8 & 5/x pmatrix = det pmatrix 6 & -2 \\ 1 & 1 pmatrix, then the value of x is | PYQs + Solutions

CUET Mathematics 2025 16 May Shift 1

Algebra

Medium

core

$±2\sqrt{6}$

$±6\sqrt{2}$

$±\sqrt{6}$

$\sqrt{6}$

✅ Correct Option: 1

Related questions:

22 May Shift 2

Match List-I with List-II

List-I	List-II
(A) A square matrix $P$ is said to be non-singular if	(I) $\|P\| = 0$
(B) A square matrix $P$ is said to be singular if	(II) $P P^T$ is symmetric
(C) If a matrix $P$ is both symmetric and skew-symmetric, then	(III) $\|P\| \neq 0$
(D) If $P$ is a square matrix, then	(IV) $P$ is a null matrix

Choose the correct answer from the options given below:

22 May Shift 1

If $A = \begin{bmatrix} 7 & 3 \\ 5 & -7 \end{bmatrix}$ be such that $A^{-1} = kA$ , then $k$ equals

29 May Shift 2

If $x \neq y \neq z$ then $\begin{vmatrix} 1 & x & x^2 \\ 1 & y & y^2 \\ 1 & z & z^2 \end{vmatrix}$ is equal to

CUET Mathematics 2025 16 May Shift 1 PYQs