Jika vektor u=5i+7j dan vektor v=i+3j,maka 2u-v adalah

U = 5i + 7j
v = i + 3j

2u – v
= 2 (5i + 7j) – (i + 3j)
= 10i + 14j – i – 3j
= 10i – i + 14j – 3j
= 9i + 11j

2u-v=2(5i+7j)-(i+3j)=10i+14j-i+3j=10i-i+14j+3j=9i+17j