What is the quadratic form of the matrix A?
X+xy+y2
X2+xy
X2+y2
Q ( x ) = x T A x
Which of the following is not a major type of integration?
Indefinite Integral
Proper Definite Integral
Improper Definite Integral
Vertical Mergers
Which of the following is correct for matrices?
(AT) = A
AB = BA
A*I = I
All the above
What is the determinant of the matrix whose eigenvalues are 7, 1, and 9 is given by?
45
63.9
14
8
Given equations are 4x+2y+z=8, x+ y+ z=3, 3x+y+3z=9. Find the values of x, y, and z.
5/3, 0, 2/3
1, 2, 3
4/3, 1/3, 5/3
2, 3, 4
What if A and B are square matrices then?
(AB)′ = B'A'
(BA)'=BA'
(BC)'=B'C'
(AC)'=A'C'
What does R mean in a matrix?
Real numbers
Rational numbers
Irrational numbers
Rest numbers
What is a matrix that must be symmetric and upper triangular?
Diagonal
Non-diagonal
Symmetric
Asymmetric
How many types of Linear algebra are there?
5
4
3
2
What is a symmetric and skew-symmetric matrix called?
Diagonal matrix
Elementary matrix
Equivalent matrix
Symmetric matrix
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