Question

(x = -2),pelo vetor v = ( -2, 5, 3), resulta em x.v=( 4, 17,- 6)

Answer 1

Boa noite

(x1, x2, x3)*(-2, 5, 3) = (4, 17, -6) 

-2x1 = 4
x1 = -2

5x2 = 17
x2 = 17/5 

3x3 = -6 
x3 = -2

x(-2, 17/5, -2)