CUET Mathematics - If vmatrix 2x & 5 \\ 8 & x vmatrix = vmatrix 3 & 0 \\ 4 & -8 vmatrix, then value(s) of x is/are | PYQs + Solutions

CUET Mathematics 2025 3 June Shift 2

Algebra

Medium

core

$2\sqrt{2}$

$\pm 2\sqrt{2}$

✅ Correct Option: 3

Related questions:

13 May Shift 2

Let $\begin{vmatrix} x & 2 \\ 18 & x \end{vmatrix} = \begin{vmatrix} -4 & -2 \\ -8 & -4 \end{vmatrix}$ . Then

(A) $x = -4$

(B) $x = -6$

(D) $x = 6$

Choose the correct answer from the options given below:

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Let $A$ and $B$ be square matrices of order 3, then det $[(A - A^T) + (B - B^T)]$ is equal to

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If the matrix $\begin{bmatrix}3 & 2a & -5\\4 & 0 & b\\-5 & 3 & 10\end{bmatrix}$ is symmetric, then the value of $5a + 2b$ is

CUET Mathematics 2025 3 June Shift 2 PYQs