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Math Help - Proper or Improper?

  1. #1
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    Proper or Improper?



    Out of these three, is only the last one proper?
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  2. #2
    Super Member Matt Westwood's Avatar
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    Impossible to tell. There are no limits specified.

    This might help:

    Improper integral - Wikipedia, the free encyclopedia
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  3. #3
    Rhymes with Orange Chris L T521's Avatar
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    Quote Originally Posted by Matt Westwood View Post
    Impossible to tell. There are no limits specified.

    This might help:

    Improper integral - Wikipedia, the free encyclopedia
    I think the OP was referring to whether or not the integrand is proper or not. If that is the case, then only the last one is proper. The other two would first require long division and then other techniques to integrate.
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  4. #4
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    If you mean "proper" or "improper" fractions all three are "improper" because all three have the same degree in numerator and denominator. In order to integrate first divide to get a number plus a proper fraction.
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  5. #5
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    Quote Originally Posted by Chris L T521 View Post
    I think the OP was referring to whether or not the integrand is proper or not. If that is the case, then only the last one is proper. The other two would first require long division and then other techniques to integrate.
    Quote Originally Posted by HallsofIvy View Post
    If you mean "proper" or "improper" fractions all three are "improper" because all three have the same degree in numerator and denominator. In order to integrate first divide to get a number plus a proper fraction.
    So should I treat the last problem as improper or not? I need to know encase it comes up on the test I have tomorrow...
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  6. #6
    Grand Panjandrum
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    Quote Originally Posted by azurephantom View Post
    So should I treat the last problem as improper or not? I need to know encase it comes up on the test I have tomorrow...

    I will summarise the other responses that you have had:

    We do not really know what you mean by proper/improper in the context of these integrals (one of the responses may contain the answer that you need but I cannot tell).

    Tell us what definition for the term proper you are working with.

    CB
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