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

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

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

domain

1 + \frac{1}{x} - \frac{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

f (x) = 4 - 2 x^{2}

f (x) = x^{4} - 6 x^{2}

f (x) = arccosh (x)

\frac{x ^{2} + 1}{x ^{2} - x + 1}

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

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