Derive a differential equation for the orthogonal trajectories of the family of curves y=ce^x. Sketch by hand at least 3 members of the family of curves y=ce^x and at least 3 members of the family of...

Derive a differential equation for the orthogonal trajectories of the family of curves y=ce^x. Sketch by hand at least 3 members of the family of curves y=ce^x and at least 3 members of the family of curves of its orthogonal trajectories together in 1 graph