What is the domain of f(x)=sqrt((x+1)/(x-1)) ?

The domain of f(x)=sqrt((x+1)/(x-1)) is x 1

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domain of f(x)=sqrt((x+1)/(x-1))

domain

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

x \leq - 1 or x > 1

Interval Notation

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

Solution steps

Find non-negative values for radicals:

x \leq - 1 or x > 1

Find undefined (singularity) points:

x = 1

Combine real regions and undefined points for final function domain

x \leq - 1 or x > 1

43 x^{3} - 48 x

f (x) = \frac{( 2 + x )}{x}

f (x) = \frac{x + 3}{x}

x^{3} + 5

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

What is the domain of f(x)=sqrt((x+1)/(x-1)) ?
The domain of f(x)=sqrt((x+1)/(x-1)) is x<=-1\lor x>1