Question

The vector that must be added to the vector i + 3j + 2k and 3î +61 – 7k so that the
resultant vector is a unit vector along the y -axis is
(a) 4i +2j + 5k
(b)-46-8j + 5
(C) 3i+ 4 + 5k
(d) Null vector​

Answer 1

Answer:

b》4i+2j+5k not sure ok I am sorry