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Question: Need Help: Implicit Differentiation Problem

Question:Need Help: Implicit Differentiation Problem

sarniberliana 15 Maple 2017
implicitdiff
April 21 2019
2

Hi Maple Expert,

I have difficulties to differentiate this term

c*(r-1)*exp(x*beta)/((1+varphi*exp(x*beta))*(-varphi*exp(x*beta)*r+varphi*exp(x*beta)+1))

with respect to beta and varphi, where

c = exp(exp(x*beta)*(r-1)/(1+varphi*exp(x*beta)))

with

ln(r) = varphi*exp(x*beta)*(r-1)/(1+varphi*exp(x*beta))-1

I've already tried to solve this differentiation problem using implicitdiff command but it gave error, saying invalid input and so on...

Please help me, and thank you in advance.

 

Regards,

Sarni

 
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