In Exercises 12-17, find the orthogonal trajectories of the given family of curves.x2 + y2 = cx (see Exercise 13 of Section1.4)

L21 - 10 Now You Try It (NYTI): 1. A large sphere of material is placed in a dissolving liquid. (a) When the radius is 1 meter, it is observed to be changing atm/or. At that instant, what is the rate at which the sphere’s volume is being dissolved with respect to time (b) Suppose instead that the liquid is known to dissolve the material...