1
GATE ME 2024
MCQ (Single Correct Answer)
+1
-0.33

Consider the system of linear equations

x + 2y + z = 5

2x + ay + 4z = 12

2x + 4y + 6z = b

The values of a and b such that there exists a non-trivial null space and the system admits infinite solutions are

A

a = 8, b = 14

B

a = 4, b = 12

C

a = 8, b = 12

D

a = 4, b = 14

2
GATE ME 2017 Set 2
Numerical
+1
-0
The determinant of a $$2 \times 2$$ matrix is $$50.$$ If one eigenvalue of the matrix is $$10,$$ the other eigenvalue is __________.
Your input ____
3
GATE ME 2017 Set 1
MCQ (Single Correct Answer)
+1
-0.3
The product of eigenvalues of the matrix $$P$$ is $$P = \left[ {\matrix{ 2 & 0 & 1 \cr 4 & { - 3} & 3 \cr 0 & 2 & { - 1} \cr } } \right]$$
A
$$-6$$
B
$$2$$
C
$$6$$
D
$$-2$$
4
GATE ME 2016 Set 3
MCQ (Single Correct Answer)
+1
-0.3
A real square matrix $$A$$ is called skew-symmetric if
A
$${A^T} = A$$
B
$${A^T} = {A^{ - 1}}$$
C
$${A^T} = - A$$
D
$${A^T} = A + {A^{ - 1}}$$
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