- #1
yurkler
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Homework Statement
y=x+(1/x) at y=17/4
Homework Equations
The Attempt at a Solution
y^-1: x=y+(1/y)
differentiate: 1=y'+ln(y)y'
1=y'(1+ln(y))
y'=1/(1+ln(y))
put that over 1: 1+ln(y)
plug in y: 1+ln(17/4)
=approximately 2.447
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