Show that f(x) = [x] (x in R) is continu...

Show that f(x) = [x] (x `in` R) is continuous at only those real numbers that are not integers.

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The correct Answer is:

therefore `underset(x to a^(-))(lim) f(x) = underset(x to a^(+))(lim) f(x) `
Hence 'f' is continuous at x = a .

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