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allyfranken Group Title

find the set of points where the function is continuous: f(x,y) = (x-y)/(1+x^2 + y^2)

  • 2 years ago
  • 2 years ago

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  1. TuringTest Group Title
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    the denominator is defined everywhere, and the numerator is coninuous, so it looks like all reals

    • 2 years ago
  2. allyfranken Group Title
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    thanks!

    • 2 years ago
  3. TuringTest Group Title
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    welcome!

    • 2 years ago
  4. dave444 Group Title
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    That is correct, but I think you meant to say the denominator is non-zero everywhere.

    • 2 years ago
  5. TuringTest Group Title
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    yep :)

    • 2 years ago
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spraguer (Moderator)
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