Showing explicit and implicit differentiation give same result | AP Calculus AB | Khan Academy | Summary and Q&A

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January 30, 2013
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Showing explicit and implicit differentiation give same result | AP Calculus AB | Khan Academy

TL;DR

Implicit differentiation gives the same result as explicit differentiation in certain cases.

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Questions & Answers

Q: What is the difference between explicit differentiation and implicit differentiation?

Explicit differentiation involves solving a function explicitly for one variable and then differentiating it, while implicit differentiation involves taking the derivative of a function with respect to one variable while keeping other variables in a relationship equation.

Q: How do you differentiate a product of two functions in implicit differentiation?

To differentiate a product of two functions in implicit differentiation, you apply the product rule, which states that the derivative of the product is the derivative of the first function times the second, plus the first function times the derivative of the second function.

Q: What is the chain rule in implicit differentiation?

The chain rule in implicit differentiation allows you to differentiate a composition of functions. It states that the derivative of a composition is equal to the derivative of the outer function times the derivative of the inner function.

Q: Why is it important to use implicit differentiation?

Implicit differentiation is useful when it is difficult or impossible to solve a relationship equation explicitly for one variable. It allows you to find the derivative of a function without explicitly solving for one variable.

Summary & Key Takeaways

  • The video demonstrates how to solve for the derivative of a function using implicit differentiation.

  • It compares the results obtained from explicit differentiation and implicit differentiation for a specific equation.

  • The video shows how to apply the chain rule and product rule in implicit differentiation.

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