The value of vmatrix x & x+1 \\ x-1 & x vmatrix is: Option 1: 2x^2 - 1 Option 2: 1 Option 3: 0 Option 4: -2x^2 + 1

The answer is '1'. View full solution:

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

CUET Mathematics 2026 15th May Shift 1

Algebra

Easy

common

$2x^2 - 1$

$-2x^2 + 1$

✅ Correct Option: 2

Related questions:

15 June Shift 2

If the matrix $A = \begin{bmatrix} x & -2 & -5y \\ 2 & 0 & -9 \\ 10 & 3z & 0 \end{bmatrix}$ is skew-symmetric, then the value of $(2x - 3y + 4z)$ is :

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Match List - I with List - II.

List - I	List - II
(A) $\begin{bmatrix}0 & -5 & 9 \\ 5 & 0 & -3 \\ -9 & 3 & 0\end{bmatrix}$	(I) Scalar matrix
(B) $\begin{bmatrix}5 & 0 & 0 \\ 0 & 5 & 0 \\ 0 & 0 & 5\end{bmatrix}$	(II) Diagonal matrix
(C) $\begin{bmatrix}1 & 0 & 0 \\ 0 & -5 & 0 \\ 0 & 0 & 7\end{bmatrix}$	(III) Symmetric matrix
(D) $\begin{bmatrix}3 & -2 & 1 \\ -2 & -5 & 6 \\ 1 & 6 & 0\end{bmatrix}$	(IV) Skew-symmetric matrix

Choose the correct answer from the options given below :

26th May Shift 2

If $\begin{vmatrix} 1 & x & x^2 \\ x^2 & 1 & x \\ x & x^2 & 1 \end{vmatrix} = (x^{\lambda}-1)^{\mu}$ then the value of $\lambda$ and $\mu$ are given by

CUET Mathematics 2026 15th May Shift 1 PYQs

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