a) Find the partial differential equation of all spheres whose centre…
Previous year question for Engineering Mathematics-II.
Question
a) Find the partial differential equation of all spheres whose centres lies on the z-axis.
b) Solve: $y^2(x-y)p + x^2(y-x)q = (x^2+y^2)z$.
c) Solve: $p^3 + q^3 = 3pqz$.
- Year: 2018
- Subject: Engineering Mathematics-II