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

The domain of f(x)=((x^2+x+1))/(x^2) is x 0

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

domain

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

x < 0 or x > 0

Interval Notation

(- \infty, 0) \cup (0, \infty)

Solution steps

Find undefined (singularity) points:

x = 0

The function domain

x < 0 or x > 0

\frac{4}{x ^{2} - 5 x + 6}

2 T - 3

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

Y (x) = 2 - ∣ x ∣

What is the domain of f(x)=((x^2+x+1))/(x^2) ?
The domain of f(x)=((x^2+x+1))/(x^2) is x<0\lor x>0