Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Vector Algebra Types of Vectors
Unit vector of \(\rm \vec r=3i+2j-2k\) will be:
1
\( \frac{3i}{\sqrt{17}} + \frac{2j}{\sqrt{17}} - \frac{2k}{\sqrt{17}}\)
2
\(\sqrt{17}\) unit
3
\(\sqrt{15}\) unit
4
More than one of the above
5
None of the above