Answer
$y'=3(3x-4)^{-19/20}$
Work Step by Step
Rewrite the equation: $y=20(3x-4)^{1/20}$
Take the derivative of the equation using Power Rule and Chain Rule:
$y'=20\times\frac{1}{20}(3x-4)^{-19/20}\times3=3(3x-4)^{-19/20}$
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