CUET · MATHS · PYQ PAPER 2023
The matrix \(\left[\begin{array}{lll}2 & 0 & 0 \\ 0 & 1 & 0 \\ 0 & 0 & 1\end{array}\right]\) is a
- A zero matrix
- B Identity matrix
- C Scalar matrix
- D Diagonal matrix
Answer & Solution
Correct Answer
(D) Diagonal matrix
Step-by-step Solution
Detailed explanation
The given matrix has all non-diagonal elements equal to zero. Therefore, it is a Diagonal matrix.
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from MATHS
- For any two matrices A and \(B , AB + BA\) is a possible matrix, then :CUET 2023 Medium
- Which of the following is the correct equation to find the area of the shaded region, with reference to the figure given below ?CUET 2023 Medium
- If \(x=a \cos \alpha+b \sin \alpha\) and \(y=a \sin \alpha-b \cos \alpha\), then \(\left(x \frac{d y}{d x}-y^2 \frac{d^2 y}{d x^2}\right)\) is equal to :CUET 2025 Easy
- The interval(s), where the function \(f(x)=\left\{\begin{array}{l}\frac{1-e^x}{e^{2 x}-1}: x \neq 0 \\ -\frac{1}{2}: x=0\end{array}\right.\) is increasing, is/are:CUET 2025 Easy
- The value of which of the following integrals is zero?
(A) \(\int_0^1 x d x\)
(B) \(\int_{-1}^1 x d x\)
(C) \(\int_{-1}^1 x^2 d x\)
(D) \(\int_0^1 \log \left(\frac{x}{1-x}\right) d x\)
Choose the correct answer from the options given below:CUET 2025 Hard - For the matrix \(A=\left[\begin{array}{ccc}2 & -1 & -1 \\ 0 & 2 & 3 \\ 1 & -2 & 1\end{array}\right]\), which of the following statements are correct?
(A) The order of the matrix is 3 × 3
(B) |A| = 21
(C) |adj A| = 225
(D) A is skew symmetric matrix
Choose the correct answer from the options given below:CUET 2025 Easy
More PYQs from CUET
- Identify the chiral molecule from the following,

Choose the correct answer from the options given below :CUET 2025 Medium - If \(A\) is a square matrix of order 3 and \(\operatorname{det}(A)=1\). If \(B=2 A\) is another matrix, the value of \(\operatorname{det}(B)\) is:CUET 2023 Medium
- The feasible region corresponding to the linear constraints of a Linear Programming Problem (LPP) is represented by the shaded region in the given figure. Which of the following is not a constraint to the given LPP?
CUET 2025 Easy - Let \(R\) be a relation on the set of integers given by \((x, y) \in R \Longleftrightarrow|x-y| \leq 1\). Then \(R\) is
(A) Reflexive relation
(B) Symmetric relation
(C) Transitive relation
(D) \(R\) is not a function
(E) Empty relation
Choose the correct answer from the options given below:CUET 2023 Hard - Match List-I with List-II
List-I (Electromagnetic Wave Wave) List-II (Application) (A) Microwaves (I) Photographs during foggy season and night vision cameras (B) X-rays (II) Radar (C) Gamma rays (III) Photographs internal parts of human body (D) Infrared Rays (IV) Radiography for malignant tumors in cancer treatment
Choose the correct answer from the options given below:CUET 2025 Medium - Which of the following does not show symbiotic association?CUET 2023 Hard