Question

Find the value of a so that the vectors A = 6 - 2j + 3k & B = 3i + aj - 2k are perpendicular
to each other​

Answer 1

Answer:

For two vectors to be perpendicular-

a.b=0

⟹(2i+mj−3k).(i−2j+k)=0

⟹2−2m−3=0

⟹m=

2

−1