If the vectors `2hati-hatj+hatk,hati+2hatj-3hatk and 3hati+ahatj+5hatk` are coplanar, the prove that a=-4.

If the vectors 4hati+11hatj+mhatk,7hati+2hatj+6hatk and hati+5hatj+4hatk are complanar then m=

Show that the vectors hati-hatj-hatk,2hati+3hatj+hatk and 7hati+3hatj-4hatk are coplanar.

If the vectors 2hati-3hatj+4hatk, 2hati+hatj-hatk and lambdahati-hatj+2hatk are coplanar, then the value of lambda is

If the vectors 3hati+hatj-2hatk,hati+2hatj-3hatk,3hati+lamdahatj+5hatk are co-planar, the value of lamda is

If the vectors 4hati+11hatj+mhatk,7hati+2hatj+6hatk and hati+5hatj+4hatk are coplanar, then m is equal to

If the vectors 6hati-2hatj+3hatk, 2hati+3hatj-6hatk and 3hati+6hatj-2hatk form a triangle, then it is

Value of a for which 2 hati - hatj+1hatk , hati + 2 hatj - 3 hatk and 3 hati + a hatj + 5 hatk are coplanar is :

Show that the vectors hati-3hatj+2hatk,2hati-4hatj-hatk and 3hati+2hatj-hatk and linearly independent.

If the vectors p hati + hatj+ hatk, hati i+ q hatj + hatk and hati + hatj + r hatk ( p ne q ne r ne 1) are coplanar, then the value of pqr- (p + q + r) is :