Question

Operations with Matrices??

Answer 1

@hartnn

Answer 2

done matrix multiplication before?

Answer 3

please go through this once, it explains nicely :)
http://www.mathsisfun.com/algebra/matrix-multiplying.html

Answer 4

first element
\(\large = 2\times (-1) + 5\times 3 +10\times 7\)

Answer 5

I got Option D

Answer 6

D is correct! :)

Answer 7

I got $5685, is that right?

Answer 8

yes!
5685 is correct :)

Answer 9

Thank you, you've helped me so much :)

Answer 10

my pleasure :)