Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Vector Algebra Scalar and Vector Product
A unit vector perpendicular to both the vectors \(\widehat i - 2\widehat j + 3\widehat k\space and\space \widehat i + 2\widehat j - \widehat k\)
1
\(( - \widehat i + \widehat j + \widehat k)\)
2
\(\frac{{( - \widehat i + \widehat j + \widehat k)}}{{\sqrt 3 }}\)
3
\(\frac{{( \widehat i - \widehat j + \widehat k)}}{{\sqrt 2 }}\)
4
More than one of the above
5
None of the above