Higher June 2017 Unit 2 Q17
17. Circle the expression that is equivalent to \(w^{-\frac{3}{5}}\). [1]
\(-\left(\sqrt[3]{w}\right)^5\) \(-\dfrac{3}{5}w\) \(-\left(\sqrt[5]{w}\right)^3\) \(\dfrac{1}{\left(\sqrt[5]{w}\right)^3}\) \(\dfrac{1}{\left(\sqrt[3]{w}\right)^5}\)
| Scheme | Marks | Comments |
|---|---|---|
| \(-\left(\sqrt[3]{w}\right)^5\) \(-\dfrac{3}{5}w\) \(-\left(\sqrt[5]{w}\right)^3\) \(\boxed{\dfrac{1}{\left(\sqrt[5]{w}\right)^3}}\) \(\dfrac{1}{\left(\sqrt[3]{w}\right)^5}\) | B1 |