Finding the slope of a tangent line to a curve (the derivative). Introduction to Calculus.

Watch the next lesson: https://www.khanacademy.org/math/diff...

Missed the previous lesson?
https://www.khanacademy.org/math/diff...

Differential calculus on Khan Academy: Limit introduction, squeeze theorem, and epsilondelta definition of limits.

About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, worldclass education for anyone, anywhere. We believe learners of all ages should have unlimited access to free educational content they can master at their own pace. We use intelligent software, deep data analytics and intuitive user interfaces to help students and teachers around the world. Our resources cover preschool through early college education, including math, biology, chemistry, physics, economics, finance, history, grammar and more. We offer free personalized SAT test prep in partnership with the test developer, the College Board. Khan Academy has been translated into dozens of languages, and 100 million people use our platform worldwide every year. For more information, visit www.khanacademy.org, join us on Facebook or follow us on Twitter at @khanacademy. And remember, you can learn anything.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to KhanAcademy’s Differential Calculus channel:
   / channel  
Subscribe to KhanAcademy: https://www.youtube.com/subscription_...