Proof Of Formula Using Vector Triple Product Formula Print Theorem (1)ProofThe vector triple product formula is (2)In equation (1) writethen use (2) to giveNow use vec c = vec a times vec b to givevec a cdot (vec a times vec b )=0 soNow useto give Prev Next Add comment Name (required) E-mail (required, but will not display) Refresh SendCancel