SOLUTION: Find the derivative of y with respect to x as appropriate. 1) y = ln(3/x)

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Question 336535: Find the derivative of y with respect to x as appropriate.
1) y = ln(3/x)
Answer by Fombitz(13828) About Me  (Show Source):
You can put this solution on YOUR website!
Use the chain rule.
Let u=3%2Fx, du%2Fdx=-3%2Fx%5E2,
y=ln%28u%29
dy%2Fdu=1%2Fu
.
.
.
dy%2Fdx=%28dy%2Fdu%29%2A%28du%2Fdx%29
dy%2Fdx=%281%2Fu%29%2A%28-3%2Fx%5E2%29
dy%2Fdx=%28x%2F3%29%2A%28-3%2Fx%5E2%29
dy%2Fdx=-1%2Fx