# Find the domain for the f(x) `F(x)(x+1)/(x2-2x+1)`

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### 1 Answer

Solve `x^2-2x+1=0` to determine the values of x for which the denominator is 0, so the function would be undefined.

Solve by factoring:

`(x-1)^2=0`

`x=1`

The function `f(x)=(x+1)/(x^2-2x+1)` is undefined for x=1, then there is an asymptote at x=1.

The domain of the function is x>1 and x>1.

Graph of `(x+1)/(x^2-2x+1)` in black and `x^2-2x+1` in red.