Identify the expression that is NOT equal to

MATHEMATICS · Single correct · A Level · Mathematics · Algebra and Functions · Algebra and Functions

Problem

a^{3/2}

, where

a>0

. (a)

\sqrt[6]{a^{9}}

(b)

a\sqrt{a}

(c)

a^{2/3}

(d)

(\sqrt[4]{a})^{6}