What is the domain of (x^2+1)/(x^4+3x^2+1) ?

The domain of (x^2+1)/(x^4+3x^2+1) is -infinity <x<infinity

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domain of (x^2+1)/(x^4+3x^2+1)

domain

\frac{x ^{2} + 1}{x ^{4} + 3 x ^{2} + 1}

- \infty < x < \infty

Interval Notation

(- \infty, \infty)

Solution steps

The function has no undefined points nor domain constraints. Therefore, the domain is

- \infty < x < \infty

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

x^{4} e^{- x}

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

\frac{8 + 2 x}{x + 7} + lo g_{10} (24 - 2 x)

\frac{x ^{2} + 3 x + 1}{3 x - 6}

What is the domain of (x^2+1)/(x^4+3x^2+1) ?
The domain of (x^2+1)/(x^4+3x^2+1) is -infinity <x<infinity