CUET Mathematics - =|arrayccc1 & x & 1 \\ - x & 1 & x \\ -1 & - x & 1array| (A) =2(1- ^2 x) (B) =2(2- ^2 x) (C) Minimum value of is 2 (D) Maximum value of is 4 Choose the correct answer from the options given below : | PYQs + Solutions

CUET Mathematics

Algebra

Easy

core

(A), (C) and (D) only

(A), (B) and (C) only

(A), (B), (C) and (D)

(B), (C) and (D) only

✅ Correct Option: 4

Related questions:

14 May Shift 1

If $P$ , $Q$ and $R$ are three singular matrices given by $P = \begin{bmatrix} 2 & 3a \\ 4 & 3 \end{bmatrix}$ , $Q = \begin{bmatrix} b & 5 \\ 2a & 6 \end{bmatrix}$ and $R = \begin{bmatrix} a^2 + b^2 - c & 1 - c \\ c + 1 & c \end{bmatrix}$ , then the value of $(2a + 6b + 17c)$ is

2 June Shift 1

If $A$ is an invertible matrix of order 3, then

Match List-I with List-II

List-I	List-II
(A) $\|\text{adj} A\|$	(I) $8\|A\|$
(B) $\|A(\text{adj} A)\|$	(II) $\|A\|^2$
(C) $\|2A\|$	(III) $\frac{1}{\|A\|}$
(D) $\|A^{-1}\|$	(IV) $\|A\|^3$

Choose the correct answer from the options given below:

3 June Shift 2

If A is an invertible matrix, then which of the following statement(s) is/are TRUE?

(A) $|A^{-1}| = |A|$

(B) $(A^{-1})^{-1} = A$

(D) $(A^T)^{-1} = (A^{-1})^T$

Choose the correct answer from the options given below:

List-I	List-II
(A) $\|\text{adj} A\|$	(I) $8\|A\|$
(B) $\|A(\text{adj} A)\|$	(II) $\|A\|^2$
(C) $\|2A\|$	(III) $\frac{1}{\|A\|}$
(D) $\|A^{-1}\|$	(IV) $\|A\|^3$

CUET Mathematics PYQs

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