Question

evaluate:[4,-3,2,1][1,-2,2,1]

Answer 1

i think it is [5,-5,4,2] is that correct

Answer 2

I assume this is two matrix? I can't tell which one is vertical and which one is horizontal

Answer 3

so it is
[4,-3
2,1] and
[1,-2
2,1]
does that help any