If 
are non-coplanar vectors, then find the value of 
the dot and cross can be interchanged in scalar triple product.
Also 
(cyclic permutation of three vectors does not change the value of the scalar triple product)
=
Using these results 
1
If are non-coplanar vectors, then find the value of
the dot and cross can be interchanged in scalar triple product.
Also (cyclic permutation of three vectors does not change the value of the scalar triple product)
=
Using these results