CUET Mathematics - The value of vmatrix 1 & x & y \\ 1 & x+y & y \\ 1 & x & x+y vmatrix is | PYQs + Solutions

CUET Mathematics 2025 15 May Shift 1

Algebra

Medium

core

$-xy$

$xy$

$x^2y^2$

✅ Correct Option: 3

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If $\begin{bmatrix} 1 & 0 \\ b & 5 \end{bmatrix} + 2\begin{bmatrix} a & 0 \\ 1 & -2 \end{bmatrix} = I$ , where $I$ is a unit matrix of order 2, then the value of $(a - b)$ is:

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If the system of equations $kx+y+z=0$ , $x+ky+z=0$ , $x+y+z=0$ has a non-zero solution, then the possible values of k are

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If $\begin{bmatrix} 1 & 3 & 9 \\ 1 & x & x^2 \\ 4 & 6 & 9 \end{bmatrix}$ is singular matrix, where $x \in \mathbb{N}$ (where N set of natural number), then x is equal to

CUET Mathematics 2025 15 May Shift 1 PYQs

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