Let `veca,vecb` and `vecc` be three vectors. Then scalar triple product `[veca vecb vecc]` is equal to

If veca, vecb and vecc are unit coplanar vectors, then the scalar triple product [(2veca-vecb, 2vecb-vecc, 2vecc-veca)]=

If veca, vecb and vecc are unit coplanar vectors , then the scalar triple porduct [2 veca -vecb" " 2vecb - vecc " "2vecc-veca] is

If veca, vecb and vecc are unit coplanar vectors , then the scalar triple porduct [2 veca -vecb" " 2vecb - vecc " "2vecc-veca] is

If veca, vecb and vecc are unit coplanar vectors, then the scalar triple product : [2veca-vecb, vec2b-vecc,vec2c-veca]=

If veca ,vecb and vecc are three mutually orthogonal unit vectors , then the triple product [(veca+vecb+vecc,veca+vecb, vecb +vecc)] equals

If veca ,vecb and vecc are three mutually orthogonal unit vectors , then the triple product [veca+vecb+vecc veca+vecb vecb +vecc] equals

If veca ,vecb and vecc are three mutually orthogonal unit vectors , then the triple product [veca+vecb+veccveca+vecb vecb +vecc] equals

If veca, vecb, vecc are three non-coplanar vectors, then [veca+ vecb + vecc veca - vecc veca-vecb] is equal to :

Let veca , vecb , vecc be three unit vectors such that |veca + vecb +vecc| =1 and veca bot vecb , " if " vecc makes angles delta beta " with " veca, vecb respectively, then cos delta + cos beta is equal to

Let veca , vecb , vecc be three unit vectors such that |veca + vecb +vecc| =1 and veca bot vecb , " if " vecc makes angles delta beta " with " veca, vecb respectively, then cos delta + cos beta is equal to