Skip to content
Competitive Stats
Q68Section II (Mathematics)68 of 180

PDE — surfaces orthogonal to xyz=cxyz=c

The normals to the surfaces represented by the equations yz dx+xz dy+xy dz=0yz\,dx+xz\,dy+xy\,dz=0 and yzp+xzq=xyyzp+xzq=xy:

Options

Pick an option to check your answer.