Let , where…

MATHEMATICS · Multi-part · CBSE · Mathematics · Number Systems · Number Systems

Problem

Let E=3a2a234a53E = \dfrac{3a\sqrt[3]{2a^{2}}}{\sqrt[3]{4a^{5}}}, where a>0a>0. (i) Rewrite the denominator of EE using rational exponents. (ii) Find the least expression under a cube root that must be multiplied to the numerator and the denominator so that the denominator becomes a rational number. (iii) Hence, rationalize the denominator of EE and simplify the resulting expression, writing your final answer with positive integral exponents of aa and no radical in the denominator.

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