Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Engineering Mathematics Calculus Vector Calculus
\( \overrightarrow{a}\times[\overrightarrow{b}\times(\overrightarrow{c}\times\overrightarrow{a})]=\)
1
\((\overrightarrow{a} \cdot \overrightarrow{b})(\overrightarrow{a} \times \overrightarrow{c})\)
2
\((\overrightarrow{a} \cdot \overrightarrow{b})(\overrightarrow{c} \times \overrightarrow{a})\)
3
\((\overrightarrow{a} \cdot \overrightarrow{c})-(\overrightarrow{b} \cdot \overrightarrow{c})\)
4
More than one of the above
5
None of the above