Let h=2π−x. Then cosx=sinh and π−2x=2h. So x→π/2limπ−2xkcosx=h→0lim2hksinh=2k. For continuity: 2k=3, so k=6.
Let A be a square matrix. Then, (A) A + A^T is a symmetric matrix (B) A - A^T is a skew-symmetric matrix (C) AA^T is a skew-symmetric matrix (D) A^T…
CUET UG 2023 — Mathematics Applied-Mathematics
2023mcqeasy
Let A be a square matrix. Then,
(A) A+AT is a symmetric matrix
(B) A−AT is a skew-symmetric matrix
(C) AAT is a skew-symmetric matrix
(D) ATA is a symmetric matrix
Choose the correct answer from the options given below :
Official previous-year question
Held on 30 May 2023 · Verified 13 Jul 2026.
Options
- A
(A), (B) Only
- B
(B), (C), (D) Only
- C
(A), (C), (D) Only
- D
(A), (B), (D) Only
Did you get this right?
Sign in to track your attempts and accuracy.
Your note
Sign in to keep a private note on this question. Nothing you write is ever public.
CUET UG Applied-Mathematics in other years
More CUET UG Applied-Mathematics questions
If $y = e^{\frac{1}{2}\log(1+ \tan^2 x)}$, then $\frac{d^2y}{dx^2}$ is equal to:
2025medium
If the total cost and total revenue of a company that produces and sells $x$ units of a particular product are $C(x) = 5x + 350$ and $R(x) = 50x - x^2$ respectively, then which of the following is/are the breakeven values: (A) $x = 10$ (B) $x = 25$ (C) $x = 45$ (D) $x = 30$ Choose the correct answer from the options given below:
2025medium
The supply function of a commodity is P = $x^3+2x+18$. When 4 units of commodity are sold , then producer surplus is:
2025medium
If the random variable X follows the Poisson distribution such that P[X = k] = P[X = k+1], then the mean value of X is:
2025medium
The demand function P for maximising a profit monopolist is given by P=274-x², while the marginal cost is 4+3x for x units of commodity. The consumer surplus is
2025hard
Other Mathematics topics for CUET UG
Keep practicing Applied-Mathematics
Work through every CUET UG Applied-Mathematics PYQ, year by year.