Question

Dados los vectores: u=2i-4j y v=5i+ 3j, hallar: U + V 3u + 2V

Answer 1

u = 2i - 4j

v = 5i + 3j

U + V

= (2i - 4j) + (5i + 3j)

= 2i - 4j + 5i + 3j

= 7i - 1j

3u + 2v

= 3 (2i - 4j) + 2 (5i + 3j)

= 6i - 12j + 10i + 6j

= 16i - 6j