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suju101

  • 4 years ago

lim x-->4^- |x|/x and lim x-->0^- |x|/x

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  1. anonymous
    • 4 years ago
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    what does the ^ mean?

  2. anonymous
    • 4 years ago
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    oh never mind i got it. limit from the right and left

  3. anonymous
    • 4 years ago
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    first one is \[\frac{4}{4}=1\]

  4. anonymous
    • 4 years ago
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    second one is \[\frac{-x}{x}=-1\]

  5. anonymous
    • 4 years ago
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    because you are taking the limit as x goes to zero from below, which means that x is negative, which makes |x| = -x

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