Ryabushko A.P. IDZ 2.2 option 1

№1.1. Given the vector. It is necessary to: a) calculate the mixed product of three vectors; b) Find the unit vector product; c) to calculate the inner product of two vectors; g) check whether collinear or orthogonal two vectors; d) check whether coplanar three vectors: a (2, -3, 1); b (0; 3; 4); c (5; 2; 3).
№2.1. The tops of the pyramids are at points A (3; 4; 5); B (1; 2; 1); C (-2; -3; 6); D (3, -6, -3) .....
№3.1. The strength of F (5, -3, 9) is applied to point A (3, 4, -6). Calculate a) operation in the event of force F; when its point of application; moving in a straight line; moves to point B (2; 6; 5); b) the time unit of the force F about the point B.