Physics · Partial Differential Equations
Let u(x,y) = f(xey) + g(y2cos(y)), where f and g are infinitely differentiable functions. The partial differential equation of minimum order satisfied by 'u' is ______________.
- 1uxy - xuxx = ux✓
- 2uxy + xuxx = xux
- 3uxy + xuxx = ux
- 4uxy - xuxx = xux
Correct answer
uxy - xuxx = ux
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