The Chain Rule | Differentiation | Revision for Maths A-Level and IB

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PhET Interactive Simulations
University of Colorado Boulder

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[Primrose_Kitten]

Easy questions at 00:31 Medium at 13:24 Hard at 20:59 You can try all the questions at the beginning of the video and then watch the explanation to check if you have the correct answer. Try a few at each level and you can jump ahead or go back to other questions. The first question of each section has some added explanation to help you with the problems.