Question

Dado os vetores u = (-5,2,3) e v = (-2, -1, -1),determine u + 3v:

Escolha uma:
( 11,1,0 )
( -11,-1,0 )
(-11,-1,1 )
( -1, 11,0 )

Answer 1

u + 3.v = (-5,2,3)+3.(-2,-1,-1)
u + 3.v = (-5,2,3) + (-6,-3,-3)

u + 3.v = (-11,-1,0)