384000 = 30 x^1/3 y^2/3
y^-2/3 = 1/12800 x^1/3
-2/3 y^-5/3 y' = 1/38400 x^-2/3
y' = -y/25600 (y^2/x^2)^(1/3)
Use implicit differentiation to find
dy/dx if
384,000=30x^1/3y^2/3 .
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thank you very much for your help
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