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- May 17th 2008, 10:01 AMszpengchaoshow its continuity
- May 17th 2008, 02:05 PMflyingsquirrel
Hi

For the continuity of , we know that and we want . You may try to write

For the second question, I suggest you first show that . Then, you'll be able to show that . As is a dense subset of and is continuous, you'll be able to generalize the result to the real numbers.

Why don't you post text instead of images ? Images are annoying because one can't quote the question he is answering... - May 17th 2008, 07:04 PMThePerfectHacker