What is the domain of (3x^2)/(x^2-25) ?

The domain of (3x^2)/(x^2-25) is x 5

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domain of (3x^2)/(x^2-25)

domain

\frac{3 x ^{2}}{x ^{2} - 25}

x < - 5 or - 5 < x < 5 or x > 5

Solution steps

Find undefined (singularity) points:

x = 5, x = - 5

The function domain

x < - 5 or - 5 < x < 5 or x > 5

f (x) = \frac{x + 3}{6 - 3 x}

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

f (x) = x - 3 - 4

f (x) = lo g_{10} (4 - 2 x)

f (x) = lo g_{10} (16 x - x^{2})

What is the domain of (3x^2)/(x^2-25) ?
The domain of (3x^2)/(x^2-25) is x<-5\lor-5<x<5\lor x>5