Question

Tentukanlah vektor u dan v, jika u+3v=(7,2,-2) dan 2u+5v=(12,0,-1)

Answer 1

U + 3v = (7,2,-2)
2u + 5v = (12,0,-1)

2u + 6v = (14,4,-4)
2u + 5v = (12,0,-1)
______________ -
v = (2,4,-3)

u + 3(2,4,-3) = (7,2,-2)
u + (6,12,-9) = (7,2,-2)
u = (1,-10,7)