Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Vector Algebra Scalar and Vector Product
Let â, b̂ and ĉ be three unit vectors such that \(\hat a \times (\hat b \times \hat c)=\frac{\sqrt3}{2}(\hat b+ \hat c)\). If b̂ is not parallel to ĉ, then the angle between â and ĉ is
1
\(\frac{\pi}{6}\)
2
2π
3
\(\frac{5\pi}{6}\)
4
More than one of the above
5
None of the above