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MusicTeacher Group Title

does anyone understand proofs?

  • 2 years ago
  • 2 years ago

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  1. LolWolf Group Title
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    What do you need help on?

    • 2 years ago
  2. MusicTeacher Group Title
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    i just don't get how they work at all,,,

    • 2 years ago
  3. MusicTeacher Group Title
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    prove theorem 5-1: if two parallel planes are cut by a third plane, thenn the lines of intersection are parallel

    • 2 years ago
  4. MusicTeacher Group Title
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    given: planes CDE and ABF ae parallel. Plane ABC is a transversal intersecting both planes

    • 2 years ago
  5. LolWolf Group Title
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    I don't know what postulates and axioms you're working from, but here: We shall say that \(l\) is the line of intersection between \(ABC\) and \(CDE\). Proof: Both lines \(l\) and \(AB\) are on the plane \(ABC\). But, since \(l\) is also on plane \(CDE\), \(AB\) is on \(ABF\), and \(CDE \;\|\; ABF\), these will never meet. Thus, \(AB \;\|\;l\). Q.E.D.

    • 2 years ago
  6. MusicTeacher Group Title
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    is there an easy way to make these make sense??

    • 2 years ago
  7. LolWolf Group Title
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    Draw it out and then try to logically reason why it could be the case.

    • 2 years ago
  8. precal Group Title
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    Math is like music. We have to learn the basics of each one. The more you practice it, the easier it becomes.

    • 2 years ago
  9. LolWolf Group Title
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    Also, replacing all of the symbols with actual words or phrases, it helps out, quite a bit, if it all looks daunting at first.

    • 2 years ago
  10. MusicTeacher Group Title
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    they just don't make sense to me :'(

    • 2 years ago
  11. precal Group Title
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    you are in good company here but I have learn that talking about it helps. Just like in music, math also, has its patterns.

    • 2 years ago
  12. MusicTeacher Group Title
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    music makes sense!

    • 2 years ago
  13. LolWolf Group Title
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    They both do, you just have to learn each one (Trust me, I also play a few instruments, myself).

    • 2 years ago
  14. MusicTeacher Group Title
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    ok ty

    • 2 years ago
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