If `vec a,b,vec c` are three non-coplanar unit vectors , the angle between them pair wise are `(pi)/(6),(pi)/(4)" and "(pi)/(3)` then the `|[vec a vec b vec c]|` is

If vec a, vec b, vec c are three non-coplanar unit vectors, the angle between them pair wise are (pi)/(6),(pi)/(4)and(pi)/(3) then the [vec(a) vec(b) vec(c)] is

Let vec a,vec b, and vec c be three non coplanar unit vectors such that the angle between every pair of them is (pi)/(3). If vec a xxvec b+vec b .If where p ,q, r are scalars then the value of (p^(2)+2q^(2)+r^(2))/(q^(2)) is

If vec a,vec b,vec c are three vectors such that vec a=vec b+vec c and the angle between vec b and vec c is (pi)/(2), then

Let vec a,vec b,vec c be three unit vectors and vec a*vec b=vec a*vec c=0. If the angel between vec b and vec c is (pi)/(3), then find the value of |[vec avec bvec c]|

If vec a,vec b and vec c are three unit vectors such that vec a*vec b=vec a*vec c=0 and angle between vec b and vec c is (pi)/(6) prove that vec a=+-2(vec b xxvec c)

If vec a,vec b and vec c are three non-coplanar unit vectors each inclined with other at an angle of 30^(@), then the volume of tetrahedron whose edges are vec a,vec b,vec c is (in cubic units)

If vec a,vec b,vec c are unit vectors such that vec a*vec b=0=vec a*vec c and the angel between vec b and vec c is (pi)/(3), then find the value of |vec a xxvec b-vec a xxvec c|

If vec a,vec b,vec c are unit vectors such that vec a*vec b=0=vec a*vec c and the angle between vec b and vec c is pi/3, then the value of |vec a xxvec b-vec a xxvec c| is 1/2 b.1 c.2 d.none of these

If vec a, vec b, vec c are three non-coplanar, non-zero vectors, then the value of (vec a * vec a) vec b xxvec c + (vec a * vec b) vec c xxvec a + (vec a * vec c) vec a xxvec b

If vec a, vec b , vec c are three non- coplanar vectors such that vec a + vec b + vec c = alpha vec d and vec b +vec c + vec d = beta vec a, " then " vec a + vec b + vec c + vec d to equal to