Kcet
Vector Algebra
KCET 2019
MCQ+1 / -02019
If the angle between \(\mathbf{a}\) & \(\mathbf{b}\) is \(\frac{2 \pi}{3}\) and the projection of \(\mathbf{a}\) in the direction of \(\mathbf{b}\) is \(-\)2 , the \(|\mathbf{a}|=\)
Kcet
KCET 2019
If the angle between \(\mathbf{a}\) & \(\mathbf{b}\) is \(\frac{2 \pi}{3}\) and the projection of \(\mathbf{a}\) in the direction of \(\mathbf{b}\) is \(-\)2 , the \(|\mathbf{a}|=\)