Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Vector Algebra Properties of Vectors
The position vector of the point which divides the join of points with position vectors \(\rm \vec{a}+\vec{b}\) and \(2 \rm \vec{a}−\vec{b}\) in the ratio 1 ∶ 2 is
1
\(\frac{3 \vec{a}+2 \vec{b}}{3}\)
2
\(\rm \vec{a}\)
3
\(\frac{5 \vec{a}−\vec{b}}{3}\)
4
More than one of the above
5
None of the above