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Popular Functions >

domain of 2/(x^2-1)

Solution

domain

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

Solution

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

+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

Graph

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Frequently Asked Questions (FAQ)

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