Q. 61 Let u and v be two vectors in R2 whose Euclidean norms satisfy |u| = 2|v|. What is the value α such that w = u + αv bisects the angle between u and v ?
(A) 2
(B) 1/2
(C) 1
(D) -1/2
Answer: (A)
Explanation:
Q. 61 Let u and v be two vectors in R2 whose Euclidean norms satisfy |u| = 2|v|. What is the value α such that w = u + αv bisects the angle between u and v ?
(A) 2
(B) 1/2
(C) 1
(D) -1/2
Answer: (A)
Explanation: