Please make your handwriting very clear, if it is not clear, I will not rate you and I will rate you very bad and I will not accept the answer if it is correct, because I do not understand your handwriting most of the time

Question one: You have the three vectors: A = 1-2j +3k , B = 21+ j - 3k , C =31- 1+2k a) Find the angle between A and B b) Find the area of the triangle formed by A and B c) Find the volume of the parallel-piped whose edges are A , B . C d) Find the product: (B x C ) x A e) Find the values by which we have to multiply A, and B, to make A normal to B