Assume that x is a positive real number. Which is equivalent to \sqrt[3]{x \sqrt{x}} ?

**Answer Choices**

A. x^{1 / 6}

B. x^{1 / 4}

C. x^{3 / 8}

D. x^{1 / 2}

E. x

Assume that x is a positive real number. Which is equivalent to \sqrt[3]{x \sqrt{x}} ?

**Answer Choices**

A. x^{1 / 6}

B. x^{1 / 4}

C. x^{3 / 8}

D. x^{1 / 2}

E. x