Teaching MPPSC Assistant Professor Mock Test Series 2025 Mathematics Vector Algebra Scalar and Vector Product
There are 2 vectors \(\rm \vec a\)= i + 2j + k and \(\rm \vec b\) = -i + j - 3k. Find the projection of \(\rm \vec a\) on \(\rm \vec b\)
1
\(\rm -2\over \sqrt{11}\)
2
\(\rm 2\over \sqrt{11}\)
3
\(\rm -2\over \sqrt{6}\)
4
\(\rm 2\over \sqrt{6}\)