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if log(x^2 +y^2) = 2tan inverse (y/x) then prove that dy/dx = (x+y)/(x-y)

if log(x^2 +y^2) = 2tan inverse (y/x)
then prove that dy/dx = (x+y)/(x-y)
 

Grade:12

1 Answers

Arun
25758 Points
4 years ago
Dear student
 
Differentiate the whole equation wrt twrt to x. And then you will find the relation which has to be proved

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