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furi0n
furi0n is offline
#1
Oct23-10, 05:17 PM
P: 20
lim f(x)x->0= does not exist

fx={1 if x is rational,
0 if x is not rational} by using definition of limit


My teacher had asked us to this question,but next lesson She does not explain how to solve this, maybe she will ask us to it in exam. but i know why it does not exist but i can't explain help please...
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