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

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

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

domain

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

x < - 2 or - 2 < x < - 1 or x > - 1

Interval Notation

(- \infty, - 2) \cup (- 2, - 1) \cup (- 1, \infty)

Solution steps

Find undefined (singularity) points:

x = - 2, x = - 1

The function domain

x < - 2 or - 2 < x < - 1 or x > - 1

4 - x^{4}

\frac{2 x ^{2}}{x ^{2} - 9}

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

f (x) = lo g_{5} (4 - x)

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

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