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`f(x)=|x|-|x+1|` द्वारा परिभाषित फलन f के सभी असांतत्यता के बिंदुओं को ज्ञात कीजिए ।

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माना `g(x)=|x|` तथा `h(x)=|x+1|`
हम जानते हैं कि मापांक फल`g(x)=|x|` और `h(x)=|x+1|` प्रत्येक `x in R` के लिये सतत है।
`therefore f(x)=g(x)-h(x)=|x|-|x+1|` प्रत्येक `x in R` के लिये सतत है।
`rArr f(x)` किसी भी बिंदु पर असतत नहीं है।

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