Question: Verify that the given differential equation is not exact. Multiply the given differential equation by the indicated integrating factor (x, y) and verify that the

Verify that the given differential equation is not exact. Multiply the given differential equation by the indicated integrating factor μ(x, y) and verify that the new equation is exact. Solve.

(x² + 2xy - y²) dx + (y² + 2xy - x²) dy = 0; μ(x, y) = (x + y)^-2

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