1
GATE CE 2008
MCQ (Single Correct Answer)
+1
-0.3
The product of matrices $${\left( {PQ} \right)^{ - 1}}P$$ is
A
$${P^{ - 1}}$$
B
$${Q^{ - 1}}$$
C
$${P^{ - 1}}$$ $${Q^{ - 1}}$$ $$P$$
D
$$P$$ $$Q$$ $${P^{ - 1}}$$
2
GATE CE 2008
MCQ (Single Correct Answer)
+1
-0.3
The eigenvalues of the matrix $$\left[ P \right] = \left[ {\matrix{ 4 & 5 \cr 2 & { - 5} \cr } } \right]$$ are
A
$$-7$$ and $$8$$
B
$$-6$$ and $$5$$
C
$$3$$ and $$4$$
D
$$1$$ and $$2$$
3
GATE CE 2008
MCQ (Single Correct Answer)
+1
-0.3
The following system of equations $$$x+y+z=3,$$$ $$$x+2y+3z=4,$$$ $$$x+4y+kz=6$$$
will not have a unique solution for $$k$$ equal to
A
$$0$$
B
$$5$$
C
$$6$$
D
$$7$$
4
GATE CE 2006
MCQ (Single Correct Answer)
+1
-0.3
Solution for the system defined by the set of equations $$4y+3z=8, 2x-z=2$$ & $$3x+2y=5$$ is
A
$$x=0, y=1,z=4/5$$
B
$$x=0,y=1/2,z=2$$
C
$$x=1,y=1/2,z=2$$
D
non existent
GATE CE Subjects
Fluid Mechanics and Hydraulic Machines
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Medical
NEET
Graduate Aptitude Test in Engineering
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Civil Services
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Class 12