Question

Given u--> = (1,-1,3) and v--> = (-4,5,3) find an ordered triple that represents 3u--> - 2v-->

Answer 1

This is just like the distributive property.

3u = 3(1,-1,3) = (3, -3, 9)
-2v = -2(-4,5,3) = ?

3u + -2v = (add the corresponding components)

Answer 2

ohhhh I get it cx