Simplify . Express your final answer using positive exponents…

MATHEMATICS · Subjective · AoPS · Mathematics · Follow the Rules · Follow the Rules

Problem

Simplify (2a−2b3)2×(4a3b−2)−1(2a^{-2}b^{3})^{2}\times\left(\dfrac{4a^{3}}{b^{-2}}\right)^{-1}. Express your final answer using positive exponents only.

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