If `veca` and `vecb` are two unit vectors, then the vector `(veca+vecb)xx(vecaxxvecb)` is parallel to the vector

If veca and vecb are two unit vectors, then the vector (veca + vecb) xx (veca xx vecb) is parallel to the vector :

If veca and vecb are unit vectors, then the greatest value of |veca +vecb|+ |veca -vecb| is

If vecb is a unit vector, then (veca. vecb)vecb+vecbxx(vecaxxvecb) is a equal to

If vecb is a unit vector, then (veca. vecb)vecb+vecbxx(vecaxxvecb) is a equal to

If veca and vecb are two vectors, such that veca.vecbgt0 and |veca.vecb|=|vecaxxvecb| then the angle between the vectors veca and vecb is

If veca and vecb are othogonal unit vectors, then for a vector vecr non - coplanar with veca and vecb vector vecr xx veca is equal to

If veca and vecb are othogonal unit vectors, then for a vector vecr non - coplanar with veca and vecb vector vecr xx veca is equal to

If veca and vecb are othogonal unit vectors, then for a vector vecr non - coplanar with veca and vecb vector vecr xx veca is equal to