Subtraction of two matrices A & B can be written as…….
a) A+B
b) A-B
c)A*B.
d) none of these
Addition of matrices can be obtained by adding………
a) all entries
b) diagonal entries
c) corresponding entries
d) none of these
The order of matrix is……….during addition and subtraction
a) changed
b) unchanged
c) both a and b
d) none of these
Multiplication of matrix by a real number :
