of the following differential equations is homogeneous? wich one (x² + y²) dx + xy dy = 0 + (3 xy²-4y) dx + (x²4 - x) dy = 0 - (+4² - 5x²y) dx + (x³y² + 4xy) dy = 0 x3+y2 (3 xy - 4) dx + (2x² + 3y²) dy = 0

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