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nickymarden

  • 2 years ago

lim 1/(x+2).(X-2) x->2

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  1. TuringTest
    • 2 years ago
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    \[\lim_{x\to2}{1\over(x+2)(x-2)}\]?

  2. nickymarden
    • 2 years ago
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    yeah :)

  3. TuringTest
    • 2 years ago
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    can you find the left and right hand limits?

  4. TuringTest
    • 2 years ago
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    \[\lim_{x\to2^+}{1\over(x+2)(x-2)}\]and\[\lim_{x\to2^-}{1\over(x+2)(x-2)}\]

  5. nickymarden
    • 2 years ago
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    so it has 2 answers? i did that already but it says the answer is \[1/3\sqrt[3]{4}\]

  6. TuringTest
    • 2 years ago
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    that's not correct...

  7. nickymarden
    • 2 years ago
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    yeah, thank you. I was just checking :)

  8. TuringTest
    • 2 years ago
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    sure you're looking at the right problem :P ?

  9. nickymarden
    • 2 years ago
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    yeah lol

  10. nickymarden
    • 2 years ago
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    but thank you anyway.

  11. TuringTest
    • 2 years ago
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    well I'm telling you the answer to the problem you posted is that the limit does not exist, so there must be a typo in your book

  12. nickymarden
    • 2 years ago
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    i got to the same answer as you, guess the book is wrong then haha.

  13. TuringTest
    • 2 years ago
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    oh it's very wrong http://www.wolframalpha.com/input/?i=limit+x+to+2+1%2F%28%28x-2%29%28x%2B2%29%29 the wolf agrees with us

  14. nickymarden
    • 2 years ago
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    i knew i wasn't crazy :P

  15. TuringTest
    • 2 years ago
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    not this time ;)

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