Question

How do you find `2A-3B` given `A=((-1, 0, 2, 2, ))` and `B=((4, 0, -1, -2))`?

Answer 1

( `-`14 0 7 10 )

Explanation:

2 A = ( `-2` 0 4 4 )

3 B = ( 12 0 `-3` `-6` )

Subtracting,

`2 A-3 B` = (`-14` 0 7 10 )