misal vektor AB = ( 12, 1, 6 ) dan vektor AC= ( 4,7,1 ) , jika titik B ( 2,-1,3) maka kordinat titik C adalah.... A.(8,7,10) B.(4,5,-2) C.(4,9,4) D.(0,-7,8) E.(

vektor AB = B-A
(12, 1, 6) = (2, -1, 3) - A
(12, 1, 6) - (2, -1, 3) = - A
(10, 2, 3) = - A
A = - (10, 2, 3)
A = (-10, -2, -3)

AC = C-A
(4, 7, 1) = C - (-10, -2, -3_
(4, 7, 1) + (-10, -2, -3) = C
(-6, 5, -2) = C

opsinya salah