1
GATE CSE 2005
MCQ (Single Correct Answer)
+2
-0.6
What are the eigen values of the following $$2x2$$ matrix? $$$\left[ {\matrix{ 2 & { - 1} \cr { - 4} & 5 \cr } } \right]$$$
A
$$-1$$ and $$1$$
B
$$1$$ and $$6$$
C
$$2$$ and $$5$$
D
$$4$$ and $$-1$$
2
GATE CSE 2005
MCQ (Single Correct Answer)
+2
-0.6
Consider the set $$H$$ of all $$3$$ $$X$$ $$3$$ matrices of the type $$$\left[ {\matrix{ a & f & e \cr 0 & b & d \cr 0 & 0 & c \cr } } \right]$$$

Where $$a, b, c, d, e$$ and $$f$$ are real numbers and $$abc$$ $$ \ne \,\,0$$. Under the matrix multiplication operation, the set $$H$$ is:

A
$$a$$ group
B
$$a$$ monoid but not $$a$$ group
C
$$a$$ semigroup but not $$a$$ monoid
D
neither $$a$$ group nor $$a$$ semigroup
3
GATE CSE 2005
MCQ (Single Correct Answer)
+2
-0.6
Consider the following system of equations in three real variables $$x1, x2$$ and $$x3$$ :
$$2x1 - x2 + 3x3 = 1$$
$$3x1 + 2x2 + 5x3 = 2$$
$$ - x1 + 4x2 + x3 = 3$$
This system of equations has
A
no solution
B
a unique solution
C
more than one but a finite number of solutions
D
an infinite number of solutions
4
GATE CSE 2004
MCQ (Single Correct Answer)
+2
-0.6
How many solutions does the following system of linear equations have?

- x + 5y = - 1
x - y = 2
x + 3y = 3
A
infinitely many
B
two distinct solutions
C
unique
D
None
GATE CSE Subjects
Software Engineering
Web Technologies
EXAM MAP
Joint Entrance Examination
JEE MainJEE AdvancedWB JEEBITSATMHT CET
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN