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OpenStudy (anonymous):
find the set of points where the function is continuous: f(x,y) = (x-y)/(1+x^2 + y^2)
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OpenStudy (turingtest):
the denominator is defined everywhere, and the numerator is coninuous, so it looks like all reals
OpenStudy (anonymous):
thanks!
OpenStudy (turingtest):
welcome!
OpenStudy (anonymous):
That is correct, but I think you meant to say the denominator is non-zero everywhere.
OpenStudy (turingtest):
yep :)
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