Question

If $|\vec{a}|=2$ and $|\vec{b}|=3$ and the angle between $$$\vec{a}$and$\vec{b}$is 120°, then the length of the vector$|\frac{1\vec{a}}{2}-\frac{1\vec{b}}{3}|^2$ is

• A. 2
• B. $\frac{1}{6}$
• C. 3
• D. 1

Answer 1

Answer: (A)

2

Answer 2

The correct answer is (A) : 2.