Question

Em cada caso, efetue as operações indicadas:
a) (2,-3)-(-1.-2)

B) (1,0).(x,-y)

obs: tem que ter a resolução

Answer 1

a)
(2 - (-1), -3 - (-2)) =
(2 +1, -3 + 2) =
(3, -1)

b)
(1 . x, 0 . -Y) =
(x, -y)

Answer 2

a)(2,-3)-(-1,-2)
(2+1,-3+2)
(3,-1)
b)(1,0).(x,-y)
(1.x,0.(-y))
(x,0)