Use the mixed partials check to see if the following differential equation is exact. If it...

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Use the "mixed partials" check to see if the following differential equation is exact. If it is exact find a function F(x, y) whose level curves are solutions to the differential equation x* - 4y dy 4x – 3y3 dx - F(r, y) = [ Use the "mixed partials" check to see if the following differential equation is exact. If it is exact find a function F(x, y) whose level curves are solutions to the differential equation x* - 4y dy 4x – 3y3 dx - F(r, y) = [