Question

Find the unit vector of the vector Ā = 4i -2j +3k.​

Answer 1

The unit vector of a given vector Ā is  where  =  Ā/IAI

[IAI represents modulus of A]

IAI = $\sqrt{4^{2} + (-2)^2 + 3^2 }$ = $\sqrt{29}$

 = (4i - 2j + 3k)/$\sqrt{29}$ is the unit vector of  Ā