Select Goal &
City
Select Goal
Explore
Question:
If A and B are invertible matrices then which of the following is not correct ?
If A and B are invertible matrices then which of the following is not correct ?
Updated On: Apr 17, 2024
- adjA = |A| A-1
- det (A-1) = [det (A)]-1
- (AB)-1 = B-1A-1
- (A + B)-1 = B-1+ A-1
Hide Solution
Verified By Collegedunia
The Correct Option is D
Solution and Explanation
The correct answer is () :
Was this answer helpful?
0
0
Top Questions on Invertible Matrices
- If A is a non-identity invertible symmetric matrix, then \(A^{-1}\) is:
- CUET (UG) - 2023
- Mathematics
- Invertible Matrices
- The number of matrices of order 3 × 3, whose entries are either 0 or 1 and the sum of all the entries is a prime number, is _________.
- JEE Main - 2022
- Mathematics
- Invertible Matrices
- Which of the following matrices can NOT be obtained from the matrix \(\begin{bmatrix} -1 &2 \\ 1 & -1 \end{bmatrix}\) by a single elementary row operation?
- JEE Main - 2022
- Mathematics
- Invertible Matrices
- The inverse of the matrix $\begin{bmatrix}2&5&0\\ 0&1&1\\ -1&0&3\end{bmatrix} $ is
- KCET - 2019
- Mathematics
- Invertible Matrices
- If $A = \begin{bmatrix}2&-2\\ -2&2\end{bmatrix}$ then $A^n = 2^k A,$ where k =
- KCET - 2018
- Mathematics
- Invertible Matrices
View More Questions
Questions Asked in KCET exam
- If \(\lim\limits_{x \rightarrow 0} \frac{\sin(2+x)-\sin(2-x)}{x}\)= A cos B, then the values of A and B respectively are
- KCET - 2023
- limits of trigonometric functions
- The Curie temperatures of Cobalt and iron are 1400K and 1000K respectively. At T = 1600K , the ratio of magnetic susceptibility of Cobalt to that of iron is
- KCET - 2023
- Magnetism and matter
- A particle is in uniform circular motion. Related to one complete revolution of the particle, which among the stataments is incorrect ?
- KCET - 2023
- Uniform Circular Motion
- The modulus of the complex number \(\frac{(1+i)^2(1+3i)}{(2-6i)(2-2i)}\) is
- KCET - 2023
- complex numbers
- The energy gap of an LED is 2.4 eV. When the LED is switched ‘ON’, the momentum of the emitted photons is
- KCET - 2023
- Semiconductor electronics: materials, devices and simple circuits
View More Questions
SUBSCRIBE TO OUR NEWS LETTER
COLLEGE NOTIFICATIONSEXAM NOTIFICATIONSNEWS UPDATES
Download the Collegedunia app on 
© 2024 Collegedunia Web Pvt. Ltd. All Rights Reserved