InterviewSolution
 Saved Bookmarks
    				| 1. | 
                                    If a,b,c,d are the position vectors of A,B,C,D respectively then the volume of the tetrahedron ABCD is | 
                            
| 
                                   
Answer»  `+- (1)/(6) {[a B c] - [a b d] + [a c d] - [b c d]}`  | 
                            |