If `veca,vecb, vecc and veca',vecb',vecc'` are reciprocal system of vectors, then prove that `veca'xxvecb'xxvecb,xxvecc'+vecc'xxveca'=(veca+vecb+vecc)/([vecavecbvecc])`

If veca,vecb, vecc and veca',vecb',vecc' are reciprocal system of vectors, then prove that veca'xxvecb'+vecb'xxvecc'+vecc'xxveca'=(veca+vecb+vecc)/([vecavecbvecc])

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

If veca, vecb, vecc and veca', vecb', vecc' form a reciprocal system of vectors then [(veca', vecb', vecc')]=

If veca, vecb, vecc and veca', vecb', vecc' form a reciprocal system of vectors then veca.veca'+vecb.vecb'+vecc.vecc'=

If veca, vecb, vecc and veca', vecb', vecc' form a reciprocal system of vectors then veca.veca'+vecb.vecb'+vecc.vecc'=

Prove that [veca+vecb vecb+vecc vecc+veca]=2[veca vecb vecc]

Prove that [veca+vecb,vecb+vecc,vecc+veca]=2[veca vecb vecc]

Prove that: [veca+vecb " "vecb+vecc " "vecc+veca]=2[veca" " vecb" " vecc]

Let veca, vecb , vecc be non -coplanar vectors and let equations veca', vecb', vecc' are reciprocal system of vector veca, vecb ,vecc then prove that veca xx veca' + vecb xx vecb' + vecc xx vecc' is a null vector.

Prove that [ veca+ vecb , vecb+ vecc , vecc+ veca]=2[ veca , vecb , vecc] .