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Exact equations and integrating factors : Exact Equations Intuitio...

By: Sal Khan

More intuitive building blocks for exact equations.

Differential equations with only first derivatives.

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Exact equations and integrating factors : Exact Equations Example 3

By: Sal Khan

One more exact equation example

Differential equations with only first derivatives.

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Exact equations and integrating factors : Exact Equations Intuitio...

By: Sal Khan

Chain rule using partial derivatives (not a proof; more intuition).

Differential equations with only first derivatives.

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Intro to differential equations : Simple Differential Equations

By: Sal Khan

3 basic differential equations that can be solved by taking the antiderivatives of both sides.

Differential equations with only first derivatives.

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Exact equations and integrating factors : Exact Equations Example 1

By: Sal Khan

First example of solving an exact differential equation.

Differential equations with only first derivatives.

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Separable equations : Separable differential equations 2

By: Sal Khan

Another separable differential equation example.

Differential equations with only first derivatives.

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Exact equations and integrating factors : Integrating factors 2

By: Sal Khan

Now that we've made the equation exact, let's solve it!

Differential equations with only first derivatives.

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Exact equations and integrating factors : Exact Equations Example 2

By: Sal Khan

Some more exact equation examples

Differential equations with only first derivatives.

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Intro to differential equations : What is a differential equation

By: Sal Khan

What a differential equation is and some terminology.

Differential equations with only first derivatives.

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Homogeneous equations : First order homogeneous equations 2

By: Sal Khan

Another example of using substitution to solve a first order homogeneous differential equations.

Differential equations with only first derivatives.

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Homogeneous equations : First order homegenous equations

By: Sal Khan

Introduction to first order homogenous equations.

Differential equations with only first derivatives.

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Exact equations and integrating factors : Integrating factors 1

By: Sal Khan

Using an integrating factor to make a differential equation exact

Differential equations with only first derivatives.

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Method of undetermined coefficients : Undetermined Coefficients 1

By: Sal Khan

Using the method of undetermined coefficients to solve nonhomogeneous linear differential equations.

Linear differential equations that contain second derivatives

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Brain Teasers : Forehead Numbers Brain Teaser

By: Sal Khan

The perfect logicians are at it again.

Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!

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Method of undetermined coefficients : Undetermined Coefficients 3

By: Sal Khan

Another example where the nonhomogeneous part is a polynomial

Linear differential equations that contain second derivatives

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Linear homogeneous equations : 2nd Order Linear Homogeneous Differ...

By: Sal Khan

Introduction to 2nd order, linear, homogeneous differential equations with constant coefficients.

Linear differential equations that contain second derivatives

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Brain Teasers : Toggler Brain Teaser

By: Sal Khan

Separating the truthteller from the togglers!

Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!

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Brain Teasers : Alien Abduction Brain Teaser

By: Sal Khan

Saving Earth from becoming a mushroom farm.

Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!

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Brain Teasers : Liar Truth-teller Brain Teaser

By: Sal Khan

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)

Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!

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Brain Teasers : Light Bulb Switching Brain Teaser

By: Sal Khan

Turning light bulbs on and off.

Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!

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