(A) : `hati+hatj` is not a unit vector
(R) : The addition of unit vectors never gives unit vector

Options

A. Both (A) and (R) are true and (R) is the correct explanation of (A)
B. Both (A) and (R) are true and (R) is not the correct explanation of (A)
C. (A) is true but (R) is false
D. Both (A) and (R) are fals

Answer

C