ABSTRACT

General solution: a ∫

dw

cwn + swm = x + Φ(bx – ay).

2. ∂w

∂x + k

∂w

∂y = (ax + by + cw)n + s.

The substitution v(x, y) = ax + by + cw(x, y) leads to an equation of the form 1.1.1.1 with m = 0:

∂v

∂x + k

∂v

∂y = cvn + a + bk + cs.