Homework Statement
determine the cartesian equation of the plane that contains the following lines:
L1: r= (4,4,5) + t(5,-4,6)
L2: r= (4,4,5) + s(2,-3,-4)
Homework Equations
I kno I'm supposed to use the equation Ax + By + Cz + D. but i don't know how to use it with this type of...