Question

sendo a=(2,3,5) b=(2,4,5) c=(3,4,2) calcular um vetor v=(x,y,z)​ tal que v.a=4, v. b=-9, v.c=5

Answer 1

2x - y + z = 4

x - 2y - 2z = -9

x + y - z = 5

3x = 9

x = 3

-y + z = -2

y + z = 6

2z = 4

z = 2

y + 2 = 6

y = 4

v = (3,4,2) ....