what is the domain of f for f(x,y) = (x^2y-3y)/x^2+y^2-1 ? I know that the denominator cannot equal 0, so x^2+y^2 cannot equal 1 but I'm not sure how to express that
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Originally Posted by cottekr what is the domain of f for f(x,y) = (x^2y-3y)/x^2+y^2-1 ? I know that the denominator cannot equal 0, so x^2+y^2 cannot equal 1 but I'm not sure how to express that the domain is whole R^2 except the the point in the circle (in the circumference ) of the circle $\displaystyle x^2+y^2=1$
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