Problem
Select the equivalent expression. \[ \sqrt{x^{5} \cdot x^{-6}} \] \( x^{\frac{1}{2}} \) \( x^{2} \) Submit Answer \( x^{-2} \) \( x^{-\frac{1}{2}} \)
Solution
Step 1 ：\(\sqrt{x^{5}\cdot x^{-6}}=\sqrt{x^{5-6}}\)
Step 2 ：\(\sqrt{x^{-1}}\)
Step 3 ：\(x^{-\frac{1}{2}}\)
