Question

Let A and B be points whose position vectors and i + 3j - 2k and  3i + j - 2k respectively. If the bisector of angle AOB (where O is origin) meets the segment AB internally at C then |bar OC| equals to

(A) 2

(B) 2√2

(C) 2√3

(D) 4√3

Answer 1

Correct Answer is: (C) 2√3