1.

Solve the differential equation \(x^2 \frac{∂u}{∂x}+y^2 \frac{∂u}{∂y}=u \) using the method of separation of variables if \(u(0,y) = e^{\frac{2}{y}} \).

A. \(e^{\frac{-3}{y}} e^{\frac{2}{x}} \)
B. \(e^{\frac{3}{y}} e^{\frac{2}{x}} \)
C. \(e^{\frac{-3}{x}} e^{\frac{2}{y}} \)
D. \(e^{\frac{3}{x}} e^{\frac{2}{y}} \)
Answer» D. \(e^{\frac{3}{x}} e^{\frac{2}{y}} \)


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