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__Working Formula for finding Domain__ (D_{f})

__Working Formula for finding Domain__(D

_{f})

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*1. Solve y in terms of x. ( In some cases this step is not required in case y is given in terms of x).*

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*2. Find those values of x for which y is well-defined and real.*

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*3. The set of the values of x for which y is well defined and real is domain of f. i.e. D*_{f}

_{f}

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