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 differential, dF(x, y) is the left hand side of the differential equation. That is, level curves F(x, y) = C are solutions to the differential equation (3e* sin(y) - ly)dx + (-1x - 3e* cos(y))dy = 0 First, if this equation has the form M(x, y)dx + N(x, y)dy = 0: My(x, y) = 1 and N₂(x, y) = If the equation is not exact, enter not exact, otherwise enter in F(x, y) here

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