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 3 A - 4 B =
If A = [aij]mxn is a square matrix if
m < n
m > n
m = n
None of these
If A and B are symmetric matrices of order n, then ________.
A + B is skew symmetric
A + B is symmetric
A+ B is a diagonal matrix
A + B is a zero matrix
A 3×4 matrix whose elements are
If A is a matrix of order 3 x 4, then each row of A has ______.
4 elements
3 elements
12 elements
