Question

then
Qy If a and b are two unit vectors and R = a + b and
| R|=R
a) R is less than 0
b) R is greater than 2
c) 0is less than or equal to R is less than or equal to 2
d) R must be 2​

Answer 1

Answer:you should refer to google for best results

Explanation: you should refer to google for best results