i need help with calculus derivitives

y=3x/(x-4)
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1 Answer

y = 3x / (x - 4)

Derivative of y
= y'
= [(x - 4)(3) - (3x)(1)] / (x - 4)^2
= [3x - 12 - 3x] / (x - 4)^2
= -12 / (x - 4)^2
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