Question

If vectorA and vectorB are two unit vector and R= A+B and if |R|=R then

a)R<0
b) R>2
c)0 greater than equal to R less than equal to 2
d)R must be 2​

Answer 1

IN MY WAY THE CORRECT ANSWER IS d) R must be 2.

Answer 2

Hello dude

I think your answer is d