Teaching CSIR NET Mock Test Series Mathematical Science Partial Differential Equations Lagrange and Charpit Methods
Which of the following is/are the general solution of the PDE
z(px - qy) = y2 - x2
1
x2 + y2 + z2 = f(xy)
2
x2 + y2 + z2 = f(x-y)
3
x2 + y2 + z2 = \(f({(x+y)^2}+z^2)\)
4
\({(x+y)^2}+z^2=f(xy)\)