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Popular >

domain of 9/(x^2-1)

Solution

domain

\frac{9}{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

Popular Examples

simplify (-7.4)(1.8)simplify

(- 7.4) (1.8)

domain of f(x)=2y-3x=-8 domain

f (x) = 2 y - 3 x = - 8

domain of x^2-x-3 domain

x^{2} - x - 3

intercepts of f(x)=-x^2+6x-9 intercepts

f (x) = - x^{2} + 6 x - 9

critical f(x)=(x+3)e^{-x}critical points

f (x) = (x + 3) e^{- x}

Frequently Asked Questions (FAQ)

What is the domain of 9/(x^2-1) ?
The domain of 9/(x^2-1) is x<-1\lor-1<x<1\lor x>1