Verify whether the given differential equation is exact or not. (e* sin y + 4x)dx +...

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Verify whether the given differential equation is exact or not. (e* sin y + 4x²)dx + (e* cos y + 4x³)dy = 0 (2x tan y + 3x²y)dx + (x³ - x² sin y-y)dy = 0 10. 11. Verify whether the given differential equation is exact or not. (e* sin y + 4x²)dx + (e* cos y + 4x³)dy = 0 (2x tan y + 3x²y)dx + (x³ - x² sin y-y)dy = 0 10. 11.