Jika vektor u = 4i - 5j dan v = i + 6j, hasil u.v =
Matematika
citraaaDoing
Pertanyaan
Jika vektor u = 4i - 5j dan v = i + 6j, hasil u.v =
2 Jawaban
-
1. Jawaban AnandaHafidhR
u = 4i - 5j
v = i + 6j
u.v = 4.1 + (-5).6
= 4 - 30
= - 26 -
2. Jawaban MaurenThenu
U = 4 i - 5j dan v = i + 6j
U.V =( u1 v 1 ) + ( u2 v2)
=( 4 × 1 ) + ((-5) × 6 )
= 4-30
= -26