If \(\vec { a }, \vec { b }\) are the position vectors of A and B, then which one of the following points whose position vector lies on AB?
A. \(\frac{2 \vec{a}+\vec{b}}{2}\)
B. \(\frac{\vec{a}-\vec{b}}{3}\)
C. \(\vec { a } + \vec { b }\)
D. \(\frac{2 \vec{a}-\vec{b}}{2}\)
Answer:A
If \(\vec { a }, \vec { b }\) are the position vectors of A and B, then which one of the following points whose position vector lies on AB?
A. \(\frac{2 \vec{a}+\vec{b}}{2}\) B. \(\frac{\vec{a}-\vec{b}}{3}\) C. \(\vec { a } + \vec { b }\) D. \(\frac{2 \vec{a}-\vec{b}}{2}\)