(A) reduced echelon form
(B) the rank of a matrix
(C) the conjugate of the matrix
(D) co-factor of the matrix
Category: Matrices and Determinants Mcqs
The right answer is
(A) BtAt
(B) AtBt
(C) AB
(D) BA
The matrix
is a?
(A) symmetric
(B) skew-symmetric
(C) hermitian
(D) skew-hermitian
If
then |A| = ?
(A) 30
(B) 40
(C) 50
(D) 60
The matrix
is a?
(A) even matrix
(B) odd matrix
(C) scalar matrix
(D) identity matrix
If the order of matrix A is m\times p . And the order of B is p\times n . Then the order of matrix AB is ?
(A) m × n
(B) n × m
(C) n × p
(D) m × p
If A and B are matrices, then which from the following is true ?
(A) A + B ≠ B + A
(B) (At)t ≠ A
(C) AB ≠ BA
(D) all are true
What is ‘a’, if
is a singular matrix ?
(A) 5
(B) 6
(C) 7
(D) 8
If
then the order of matrix A =?
(A) 2 x 2
(B) 2 x 3
(C) 3 x 2
(D) 3 x 3
If
then |A| = ?
(A) 2
(B) 3
(C) 4
(D) 5