Math Problem Statement

Limit of ³√x minus 2 divided by x minus 8 as x approaches 8

Solution

To solve the limit limx8x32x8\lim_{{x \to 8}} \frac{\sqrt[3]{x} - 2}{x - 8}, let's analyze it step by step.

Step 1: Direct Substitution

First, try to directly substitute x=8x = 8 into the expression:

83288=220=00\frac{\sqrt[3]{8} - 2}{8 - 8} = \frac{2 - 2}{0} = \frac{0}{0}

This results in an indeterminate form 00\frac{0}{0}, so we need to apply a different method to evaluate the limit.

Step 2: Apply L'Hôpital's Rule

L'Hôpital's Rule states that if the limit results in an indeterminate form 00\frac{0}{0}, you can differentiate the numerator and the denominator separately and then take the limit.

  1. Differentiate the numerator: (\sqrt[3]{x} -