Partial Derivatives Help?
how do i find partial derivative of
Let f(x,y) = (xy^4 - y)^3.
i have no idea help please
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how do i find partial derivative of
Let f(x,y) = (xy^4 - y)^3.
i have no idea help please
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Verified answer
When taking the derivative with respect to x, then y is a constant. When taking the derivative with respect to y, then x is a constant. Use the chain rule for nested functions.
df/dx=3*(xy^4-y)^2*(y^4)
df/dy=3*(xy^4-y)^2*(4xy^3-1)