If (-2 1) (p q) = (1 0). What is the value of rp.

(2 3) (r s) (0 1)

4 answers

Are these vectors ?
Are you taking the cross-product ?
Yes.
Note: the brackets up and down are joined together?
It looks like
(p q)
(r s)
is just the inverse of
(-2 1)
(2,3)
that is,
(-3/8 1/8)
(1/4 1/4)