Question

What is the product?

Answer 1

Answer:

Option D =[6    18]  is the correct answer

Step-by-step explanation:

Given that:

[4  2] * [-2    5; 7    -1]

For taking product:

• above matrices are okay for multiplication as number of columns of first matrix are equal to number of rows of second matrix.
• So it will be done as follows:

= [4*-2 + 2*7    4*5 + 2*-1]

=[-8 + 14        20 + (-2) ]

=[6    18]

i hope it will help you!