Question

Given vectors, a= (-2 -3) and b= ( 1 -1 ) find 2a-3b

Answer 1

(-10,0)

Explanation:

2a =[2(-2) , 2(-3)] = (-4 -6) <--- add them

-3b = [-3(1) . -3(-1)] = (-3 +3) <--- add them

2a - 3b =

[(-4 -6), (-3 +3)] =

(-10,0)