defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Mathematics Vector Algebra Scalar and Vector Product
If \(\rm \left(\vec a\times\vec b\right)\times\vec c=\vec a\times\left(\vec b\times\vec c\right)\), then which of the following is true?
1
\(\rm \vec b\times\left(\vec c\times\vec a\right)=0\)
2
\(\rm \vec a=\vec b=\vec c=0\)
3
\(\rm \vec a+\vec b+\vec c=0\)
4
None of these.