1
GATE CE 2024 Set 2
MCQ (Single Correct Answer)
+1
-0.33

The statements P and Q are related to matrices A and B, which are conformable for both addition and multiplication.

P: $(A + B)^T = A^T + B^T$

Q: $(AB)^T = B^T A^T$

Which one of the following options is CORRECT?

A

P is TRUE and Q is FALSE

B

Both P and Q are TRUE

C

P is FALSE and Q is TRUE

D

Both P and Q are FALSE

2
GATE CE 2023 Set 2
MCQ (More than One Correct Answer)
+1
-0

For the matrix

$\rm [A]=\begin{bmatrix}1&-1&0\\\ -1&2&-1\\\ 0&-1&1\end{bmatrix}$

which of the following statements is/are TRUE?

A
[𝐴]{𝑥} = {𝑏} has a unique solution
B
[𝐴]{𝑥} = {𝑏} does not have a unique solution 
C
[𝐴] has three linearly independent eigenvectors
D
[𝐴] is a positive definite matrix
3
GATE CE 2023 Set 1
MCQ (More than One Correct Answer)
+1
-0
If M is an arbitrary real n × n matrix, then which of the following matrices will have non-negative eigenvalues? 
A
M2
B
MMT
C
MTM
D
(MT)2
4
GATE CE 2022 Set 2
MCQ (More than One Correct Answer)
+1
-0

Let y be a non-zero vector of size 2022 $$\times$$ 1. Which of the following statements is/are TRUE?

A
yyT is symmetric matrix
B
yyT is invertible
C
yyT has a rank of 2022
D
yTy is an eigen value of yyT.
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