Question

Dados os vetores u=(2,1) e v=(1-1),calcule a)u+v=. b)3u-4v=

Answer 1

a) (2+1, 1-1) = (3, 0)
b) 3(2, 1) - 4(1, -1) = (6, 3) - (4, -4) = (2, 7)