Recent content by Dani4941

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    How Can I Prove That QxQ is Disconnected and Totally Disconnected in R²?

    Thanks. I'm pretty sure I've been making this proof seem much harder then it actually is.
  2. D

    How Can I Prove That QxQ is Disconnected and Totally Disconnected in R²?

    Sorry I don't understand what you're saying. I'm not being sarcastic I'm just trying to get what you mean.
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    How Can I Prove That QxQ is Disconnected and Totally Disconnected in R²?

    Sorry the def I'm using is A set is connected if it cannot be separated by two disjoint sets U1 and U2 into two nonempty pieces S∩U1 and S∩U2
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    How Can I Prove That QxQ is Disconnected and Totally Disconnected in R²?

    I have to present it in front of the class so I’m trying to make it as clean and correct as possible. If someone could just point me in the right direction for this proof or give me some examples that would be great. (Sorry if this is sloppy but I’ll try to make it as nice as possible)...
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    Proof ε-δ: Epsilon Delta Proof of lim x->a of ((3x²-3a²)/(x-a)) = 6a

    ooo Thanks. That was a pretty large mistake.
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    Proof ε-δ: Epsilon Delta Proof of lim x->a of ((3x²-3a²)/(x-a)) = 6a

    I’m going to say from the beginning that I need to hand this problem in. I'm not looking for the answer, I think I already have it, just want a critical eye. I need someone to look over this problem and tell me if it's good. Not just if it's right but if it's perfect. I always get the...
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