Precalculus Examples

$\sqrt{{(3.9 - (- 0.1))}^{2} + {(2.5 - 0.8)}^{2}}$

Step 1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{{(3.9 - (- 0.1))}^{2} + {(2.5 - 0.8)}^{2}}$ as ${({(3.9 - (- 0.1))}^{2} + {(2.5 - 0.8)}^{2})}^{\frac{1}{2}}$ .

${({(3.9 - (- 0.1))}^{2} + {(2.5 - 0.8)}^{2})}^{\frac{1}{2}}$