Question: If the function f is defined by Prove that limx→0 f (x) does not exist. Jo if x is rational ! if x is irrational

If the function f is defined by


Jo if x is rational ! if x is irrational f(x) =

Prove that limx→0 f (x) does not exist.

Jo if x is rational ! if x is irrational f(x) =

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