Question

Dado os vetores u = (-5,2,3) e v = (-2, -1, -1),determine u + 3v:
Escolha uma:
( -1, 11,0 )
( 11,1,0 )
( -11,-1,0 )
( 11,0,-1 )

Answer 1

u = (-5,2,3) e  v = (-2, -1,-1),determine u + 3v
3V=3(-2,-1,-1)
3V=(-6,-3,-3)
u+3v=(-5,2,3)+(-6,-3,-3)
u+3v=(-11,-1,0)
penúltima alternativa