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Evaluate: `lim_( x to 2) (x^(2)-4)/(x^(3)-4x^(2)+4x)`

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Evaluate: `lim_( x to 2) (x^(2)-4)/(x^(3)-4x^(2)+4x)`
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`underset(xrarr2)"lim"(x^(2)-4)/(x^(3)-4x^(2)+4x)`
`=underset(xrarr2)"lim"((X-2)(x+2))/(x(x^(2)-4x+4))`
`=underset(xrarr2)"lim"((x-2)(x+2))/(x(x-2)^(2))`
`=underset(xrarr2)"lim"(X+2)/(x(x-2))=(4)/(0)=oo`.
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