What is chain rule....

1.	What is chain rule....
Answer» The Chain Rule is a formula for computing the derivative of the composition of two or more functions. For instance, if\xa0<i>f\xa0</i>and\xa0<i>g\xa0</i>are functions, then the chain rule expresses the derivative of their composition.The Chain Rule Formula is as follows –\xa0dy/dx = dy/du . du/dx

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