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Mathematics 16 Online
OpenStudy (anonymous):

If x^3-xy+4y=1 then y^1 at (1,0) equals??

OpenStudy (anonymous):

(1,0) implies x=1 and y=0, are you sure that's the question?

OpenStudy (anonymous):

yes y prime at (1,0)

OpenStudy (anonymous):

okay. product rule for the middle term.

OpenStudy (anonymous):

um. 3x^2 - y - x y' + 4 y'

OpenStudy (anonymous):

= 0

OpenStudy (anonymous):

okay i get y' = (3x^2 - y) / (x - 4)

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