Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -

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Topic review (newest first)

Al-Allo
2013-08-26 02:41:05

Well the intersection is 15, if that's what you're asking

bob bundy
2013-08-26 02:11:34

If x must lie in the region  12 to 15 AND in the region 15 to 30, then x must be ????

Bob

Al-Allo
2013-08-26 00:24:11

What do you mean ??? How can it be more simplified ?

bob bundy
2013-08-25 16:58:43

Yes, that looks good to me.  smile

Are you expected to simplify as well?

Bob

Al-Allo
2013-08-25 07:23:50

If I had the following :



and I have put it in comprension notation :

{x∈R|12<equal x <equal15 and 15<equal x <equal 30 }


Is the comprehension notation good ?

*'and' means intersection in this case

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