In Exercises 3742, use the determinant of the coefficient matrix to determine whether the system of linear equations has a unique solution.

Reece Witcher 1/24/18 Chapters 1 & 2 Chapter 1 Scalar Vector (dot product) A dot B = ABsin θ ● Used in non directional quantities Vector Product (cross product) A cross B= ABcos θ ● Used in directional quantities ● Any parallel (0 degrees) or antiparallel (180 degrees) = 0 ● i hat (x dimension) j hat (y dimension) and k hat (z dimension)...