What is the limit as x approaches 8 of sqrt(x^2-9) ?

The limit as x approaches 8 of sqrt(x^2-9) is square root of 55

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limit as x approaches 8 of sqrt(x^2-9)

x \to 8 lim (x^{2} - 9)

55

Decimal Notation

7.41619 \dots

Solution steps

x \to 8 lim (x^{2} - 9)

Plug in the value

x = 8

= 8^{2} - 9

Simplify

= 55

\int (x^{2} - 1)^{2} d x

x^{19} e^{x}

\frac{\partial}{\partial x} (x^{2} - 1)

\frac{d}{d x} ((x^{2} + 5 x) e^{x})

\int x^{2} y d y

What is the limit as x approaches 8 of sqrt(x^2-9) ?
The limit as x approaches 8 of sqrt(x^2-9) is square root of 55