A column matrix has only ____________.
One element
One row with one or more columns
One column with one or more rows
One row and one column
, then A2 is equal to
Unit matrix
Null matrix
A
-A
If A is a squre matrix, then A - A' is _____________.
Skew symmetric matrix
If matrics A B = 0.
A = 0 or B = 0
A = 0 and B = 0
It is not necessary that A = 0 or B = 0
Above statements are wrong
The number of all possible matrices of order 3 × 3 with each entry 0 or 1 is
27
18
81
512
Then 3 A - 4 B =
If matrix contain 13 elements. Write the possible order of the matrix
2 × 3
13 × 2
1 × 13
6× 2
then the values of x, y, z, w are ________.
2, 2, 3, 4
2, 3, 1, 2
3, 3, 0, 1
None of these
A matrix is _______.
A collection of real numbers
A collection of real or complex numbers
An array of real numbers
An array of real or complex numbers
