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

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

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domain of (x^2-1)/(x-1)

domain

\frac{x ^{2} - 1}{x - 1}

x < 1 or x > 1

Interval Notation

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

Solution steps

Find undefined (singularity) points:

x = 1

The function domain

x < 1 or x > 1

f (x) = \frac{x - 6}{x + 6}

f (x) = 5 x + 1

f (x) = \frac{x}{x - 1}

f (x) = e^{x} x

f (x) = - 4 x^{2} - x^{3}

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