a,b constant (a+bx)e^(y/x)=x proof (x^3)(d^2y/dx^2)={x(dy/dx)-y}^2
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[Post New] 21 Feb 2012 10:56:14 IST
   Subject: a,b constant (a+bx)e^(y/x)=x proof (x^3)(d^2y/dx^2)={x(dy/dx)-y}^2
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mohamed arafath (20)


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a,b constant (a+bx)e^(y/x)=xproof (x^3)(d^2y/dx^2)={x(dy/dx)-y}^2
    
[Post New] 23 Feb 2012 06:57:25 IST
   Subject: a,b constant (a+bx)e^(y/x)=x proof (x^3)(d^2y/dx^2)={x(dy/dx)-y}^2
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Niladri Chakraborty (155)


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 ............. This is the left hand side.

Now, put the values of dy/dx and y in the right hand side. you will get the same value.

 
NiladriRanjitKumarChakraborty
 
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[Post New] 23 Feb 2012 13:36:31 IST
   Subject: a,b constant (a+bx)e^(y/x)=xproof (x^3)(d^2y/dx^2)={x(dy/dx)-y}^2
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mohamed arafath (20)


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log{(a+bx)e^y/x}=logx

(a+bx)+(y/x)=logx

the step is wrong niladari  can you clear it

 

log must be come to both end
 
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[Post New] 23 Feb 2012 14:23:05 IST
   Subject: a,b constant (a+bx)e^(y/x)=x proof (x^3)(d^2y/dx^2)={x(dy/dx)-y}^2
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Niladri Chakraborty (155)


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oh got it.. sorry.. i ignored that step.
 
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