Which inequality statement describes the two numbers: 3 and a number 8 units to the left of 3?
a) -8 < 3
b) -5 > 3
c) -5 < 3
d) 8 > 3

the solution is 12x-6y

solution:

→c= a b , that is product of a and b is possible only when when a is m × n matrix and b is n × p matrix.

that is, number of columns of a= number of rows of b.

so, size of matrix , c= a b is , if a = (m × n)matrix

b= (n × p)matrix

then a b = [ (m × n)matrix] ×[   (n × p)matrix ]

→→c= a b= [m × p ] matrix

→→size of product a b will be equal to = number of rows of a × number of columns of b