What is the domain of f(x)=((x^2-4))/(1-x^2) ?

The domain of f(x)=((x^2-4))/(1-x^2) is x 1

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domain of f(x)=((x^2-4))/(1-x^2)

domain

f (x) = \frac{( x ^{2} - 4 )}{1 - x ^{2}}

x < - 1 or - 1 < x < 1 or x > 1

Interval Notation

(- \infty, - 1) \cup (- 1, 1) \cup (1, \infty)

Solution steps

Find undefined (singularity) points:

x = 1, x = - 1

The function domain

x < - 1 or - 1 < x < 1 or x > 1

f (x) = x^{3} - 12 x + 1

6 x^{2} - 18 x + 12

f (x) = \frac{x - 2}{4}

y = \frac{x + 2}{x ^{2} - 121}

f (x) = \frac{( x ^{2} - 4 )}{x ^{2} - 1}

What is the domain of f(x)=((x^2-4))/(1-x^2) ?
The domain of f(x)=((x^2-4))/(1-x^2) is x<-1\lor-1<x<1\lor x>1