If `veca,vecb,vecc and vecas\', vecb\', vecc\'` are reciprocal system of vectors prove that
Channel: Doubtnut
Date: 12/04/2020

If `veca,vecb,vecc and vecas\', vecb\', vecc\'` are reciprocal system of vectors prove that `vecaxxvecb+vecbxxvecb+veccxxvecc\'=vec0`