# Exact equation

The following differential equation is exact. Find a function F(x,y) whose level curves are solutions to the differential equation:

ydy-xdx=0

"F(x,y) such that the solutions are F(x,y)=c for an arbitrary constant c".

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The following differential equation is exact. Find a function F(x,y) whose level curves are solutions to the ...

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This shows how to find a function whose level curves are solutions to a differential equation.

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