A series of free Differential Equations Video Lessons.
How to solve exact differential equations?
Exact Equations Intuition 1 (proof)
Chain rule using partial derivatives (not a proof; more intuition).
Exact Equations Intuition 2 (proof)
More intuitive building blocks for exact equations.
Exact Equations Example 1
First example of solving an exact differential equation.
Exact Equations Example 2
Some more exact equation examples
Exact Equations Example 3
One more exact equation example
Try out our new and fun Fraction Concoction Game.
Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.
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