Example 1-4-5 - Maple Help



Chapter 1: Vectors, Lines and Planes



Section 1.4: Cross Product



Example 1.4.5



 Find a unit vector orthogonal to the plane containing the points P:$\left(1,2,-1\right)$, Q:$\left(3,1,2\right)$, R:$\left(4,-5,1\right)$.