For any non zero vector, a,b,c
`a*[(b+c)xx(a+b+c)]=`. . . .

For any four vectors a,b,c and d, (axxb)xx(cxxd)=["a c d"]b-["b c d"]a and (axxb)xx(cxxd)=["a b d"]c-["a b c"]d .

For any three vectors a,b,c the value of a xx(b xx c)+b xx(c xx a)+c xx(a xx b) is

If vec( a) , vec( b) , vec( c ) are non coplanar non-zero vectors such that vec( b) xxvec( c) = vec( a ), vec( a ) xx vec( b) =vec( c ) and vec( c ) xx vec( a ) = vec ( b ) , then which of the following is not true

If vec( a) , vec( b) , vec( c ) are non coplanar non-zero vectors such that vec( b) xxvec( c) = vec( a ), vec( a ) xx vec( b) =vec( c ) and vec( c ) xx vec( a ) = vec ( b ) , then which of the following is not true

For unit vectors b and c and any non zero vector a, the value of {{(a+b) times (a+c)} times (b times c)}*(b+c) is