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एक वास्तविक मान फलन f : R - {0} rarr R क...

एक वास्तविक मान फलन `f : R - {0} rarr R` कि परिभाषा `f(x) = (1)/(x), x in R - {0}`द्वारा कीजिए तथा इस फलन का प्रान्त तथा परिसर ज्ञात कीजिए।

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