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