For non–zero

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

Problem

For non–zero aa, which of the following expressions is equal to a−4a^{-4}? (a) a4a^{4} (b) 1a4\dfrac{1}{a^{4}} (c) a−14a^{-\tfrac{1}{4}} (d) 1a−4\dfrac{1}{a^{-4}}

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