Prove that a × (b × c) = (a · c)b − (a · b)c. This identity means that a × (b × c) is a linear combination of b and c, and, geometrically, that a × (b × c) is parallel to a plane spanned by b and c.
We need at least 10 more requests to produce the solution.
0 / 10 have requested this problem solution
The more requests, the faster the answer.