The question is presumed to be that how to change a given expression for  to  that of

 

For this we have to take help of integration to express y in terms of x first, then solve for differentiate with respect to y.  This is explained in an example given below:

 

Let = x+5,  so that

 

,   

 

Now we can differentiate the expression with respect to y to get

  Or, 

 

 

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