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OpenStudy (anonymous):
Hi, i have a real analysis question: Using the definition , show that the following sets are closed E = {xeR: |5x−3|=|2x+4|} and E = {xeR:1≤x^2≤3} Thanks!
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OpenStudy (perl):
Is the definition for closed set provided? We will need that.
OpenStudy (perl):
Different books use slightly different definition for closed set .
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