Question: Verify whether the given differential equation is exact or not. (e* sin y + 4x)dx + (e* cos y + 4x)dy = 0 (2x

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

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