Question

Given `A = [(2,1),(3,0)]`, `B = [(1,1),(5,2)]` and `C = [(-3-1),(0 0)]` Find A + 2C - B

Answer 1

A + 2C - B

`= [(2, 1),(3, 0)] + 2[(-3,-1),(0,0)] - [(1,1),(5,2)]`

`=[(2,1),(3,0)] + [(-6,-2),(0,0)] - [(1,1),(5,2)]`

`= [(2 - 6 -1, 1-2-1),(3 + 0 - 5, 0 + 0 - 2)]`

`= [(-5,-2),(-2, -2)]`