What is the differential equation of all parabolas whose directrices are parallel to the x-axis?
Posted: Wed Jul 13, 2022 8:08 pm
a) d3x/dy3 = 0
b) d3y/(dx3 + d2y/dx2) = 0
c) d3y/dx3 = 0
d) d2y/dx2 = 0
b) d3y/(dx3 + d2y/dx2) = 0
c) d3y/dx3 = 0
d) d2y/dx2 = 0