Posted by sxxx123456 on Saturday, January 17, 2009 at 10:56am.
Let E(1,2) be the set of all numbers in (0,1) such that there decimal
representation does not contain 1 and 2. Prove that E(1,2) is lebesgue
measurable and find the lebesgue measure of E(1,2).
Would you please explain it step by step?

Math, not "pls help :("  Writeacher, Saturday, January 17, 2009 at 11:01am
Math assistance needed here.
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