More intuitive building blocks for exact equations.
Differential equations with only first derivatives.
One more exact equation example
Chain rule using partial derivatives (not a proof; more intuition).
3 basic differential equations that can be solved by taking the antiderivatives of both sides.
First example of solving an exact differential equation.
Another separable differential equation example.
Now that we've made the equation exact, let's solve it!
Some more exact equation examples
What a differential equation is and some terminology.
Another example of using substitution to solve a first order homogeneous differential equations.
Introduction to first order homogenous equations.
Using an integrating factor to make a differential equation exact
Using the method of undetermined coefficients to solve nonhomogeneous linear differential equations.
Linear differential equations that contain second derivatives
The perfect logicians are at it again.
Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!
Another example where the nonhomogeneous part is a polynomial
Introduction to 2nd order, linear, homogeneous differential equations with constant coefficients.
Separating the truthteller from the togglers!
Saving Earth from becoming a mushroom farm.
How to get correct advice when you can only ask one question from either a liar or a truth-teller (when you don't know who is what)
Turning light bulbs on and off.