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burhan101

Rational limits, okay so i don't understand this at all ..

  • one year ago
  • one year ago

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  1. burhan101
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    \[\lim_{x \rightarrow 3}\frac{ \frac{ 1 }{ x } -\frac{ 1 }{ 3 }}{ (x-3) }\]

    • one year ago
  2. ash2326
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    Simplify the numerator first @burhan101

    • one year ago
  3. burhan101
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    would i multiply it by 3x/3x ?

    • one year ago
  4. Shadowys
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    Could you use draw? the equation can't be seen.

    • one year ago
  5. burhan101
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    |dw:1350447657304:dw|

    • one year ago
  6. Shadowys
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    yes. multiply by 3x you'll get rid of the denominator

    • one year ago
  7. ash2326
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    \[\lim_{x\to 3}\frac{\frac{3-x}{3x}}{x-3}\] \[\lim_{x\to 3}\frac{3-x}{3x(x-3)}\] Now simplify this and put x=3

    • one year ago
  8. burhan101
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    i get this |dw:1350447751544:dw|

    • one year ago
  9. Shadowys
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    3-x equals to -(x-3)

    • one year ago
  10. burhan101
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    or so i should probably rearrange it

    • one year ago
  11. burhan101
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    -1/9 ?

    • one year ago
  12. Shadowys
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    yup! :)

    • one year ago
  13. burhan101
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    t-y :)

    • one year ago
  14. Shadowys
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    You're welcome!

    • one year ago
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