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OpenStudy (anonymous):
f(x)=(2x-6)/(x^3-3x^2-4x+12) find the undefined values. help please!
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OpenStudy (anonymous):
making the denominator 0 we have \[x ^{3}-3x ^{2}-4x+12 = 0 => (x-2)(x+2)(x-3) = 0, hence x= -2, or 2 or 3\]
OpenStudy (anonymous):
x=2 or -2 or 3
OpenStudy (anonymous):
thx!
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