1.

Find a value of x for which x(î + ĵ + k̂) is a unit vector.

Answer»

x(î + ĵ + k̂) = 1 

⇒ xî + xĵ + xk̂ = 1

⇒ √(x2 + x2 + x2) = 1

⇒ √3x2 = 1

⇒ x = 1/√3



Discussion

No Comment Found

Related InterviewSolutions