If the vertices of a tetrahedron have the position vectors `vec0,hati+hatj,2hatj-hatk and hati+hatk` then the volume of the tetrahedrom is

If the verticles of a tetrahedron have the position vectors vec0, hati+hatj, 2hatj-hatk and hati+hatk then the volume of the tetrahedron is

If the verticles of a tetrahedron have the position vectors vec0, hati+hatj, 2hatj-hatk and hati+hatk then the volume of the tetrahedron is

The point having position vectors 2hati+3hatj+4hatk,3hati+4hatj+2hatk and 4hati+2hatj+3hatk are the vertices of

The point having position vectors 2hati+3hatj+4hatk,3hati+4hatj+2hatk and 4hati+2hatj+3hatk are the vertices of

The point having position vectors 2hati+3hatj+4hatk,3hati+4hatj+2hatk and 4hati+2hatj+3hatk are the vertices of

The point having position vectors 2hati+3hatj+4hatk,3hati+4hatj+2hatk and 4hati+2hatj+3hatk are the vertices of

The point having position vectors 2hati+3hatj+4hatk,3hati+4hatj+2hatk and 4hati+2hatj+3hatk are the vertices of

Find the position vector of the centroid of the triangle with vertices given by the position vectors - hati +hatj +hatk, hati +2 hatj - hatk and - hati + hatj + hatk .

A unit vector vec(a) is perpendicualr to the vectors hati+2hatj-hatk and 3hati-hatj+hatk then find the components of vec(a) .