Which of the following is equal to for ?

MATHEMATICS · Single correct · CBSE · Mathematics · Number Systems · Number Systems

Problem

Which of the following is equal to a−3a^{-3} for a≠0a\neq0? (a) a13a^{\frac{1}{3}} (b) 1a3\dfrac{1}{a^{3}} (c) a3a^{3} (d) −1a3-\dfrac{1}{a^{3}}

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