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How to find domain and range

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How to find domain and range

    • Posted by Manvendra Singh 7 years, 7 months ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    Rishabh Sahu 7 years, 7 months ago

    To find domain remove that part of the number line due to which 1 the denominator of expression or its factor become 0, 2 any term becomes non real3 any value becomes out of specified range of function. 4 a part of function is undefined like x th root of 4 that is x√4 is defined only for x belongs to natural number set becomes non natural number then out of domain. To find range 1 remove those values that are out of graph of function.2 finding the domain of inverse of given function and accepting the valid regions as range of original function (these two are possible by different methods for different functions there is no actual standard method but these 2 guidelines will be helpful)

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