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swin2013Best ResponseYou've already chosen the best response.0
\[h(w) = w ^{3}\ln(20w)\]
 one year ago

baldymcgee6Best ResponseYou've already chosen the best response.1
dw:1351471283371:dwwhat rule should we use?
 one year ago

baldymcgee6Best ResponseYou've already chosen the best response.1
dw:1351471516680:dw
 one year ago

micahwood50Best ResponseYou've already chosen the best response.1
Since we have to derivative the y, aka function of x and we have to derivative w³ln(20w) in respect of x. Apparently there is no x variable. Since we have to derivative in respect of x, we have to treat w as constant and hence the answer is zero.
 one year ago

swin2013Best ResponseYou've already chosen the best response.0
i know that the derivative for f is 3w^2 but i have problems deriving natural logs
 one year ago

baldymcgee6Best ResponseYou've already chosen the best response.1
natural logs are easy, the derivative of a natural log is 1/(whatever was in the brackets)
 one year ago

baldymcgee6Best ResponseYou've already chosen the best response.1
dw:1351473354263:dw
 one year ago

baldymcgee6Best ResponseYou've already chosen the best response.1
@micahwood50 I believe the question was posted ignoring notation...
 one year ago
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