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  4. If | veca|=2 and | vecb|=3 and the angle between veca and vecb is 120°, then the length of the vector |(1 /2) veca-(1/3) vecb| is

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

KCETKCET 2022Vector Algebra

Solution:

Correct answer is (c) 3