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When to use product rule in …

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When to use product rule in differentiation and when to use chain rule??

  • 1 answers

Justin Santhiagu 6 years, 10 months ago

When two or more functions given in product, we have to use product rule.

Example : xsinx, sinxcosx, logxsinx

When one function comes with in the bracket of another function ( called function of function), we have use chain rule.

Example: (i)sin(cosx) here sin and cos not in product form either cosx is with in the fiction of sin.

                (ii) log(sinx) here sin within the function of log.

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