Question

Determine o vetor v sabendo que (3,7,1) + 2v = (6,10,4) - v.

Answer 1

(3, 7, 1) + 2v = (6, 10, 4) - v

2v = (6, 10, 4) - v - (3, 7, 1)

2v + v = (6, 10, 4) - (3, 7, 1)

3v = (6-3, 10-7,4-1 )

3v = (3, 3,3 )

3v = 3 . (1,1,1)

v = (3/3) . (1,1,1)

v = (1,1,1)