यदि `y= x^(2) /(a+x)`, तब

Explanation

`dy/dx = d/dx ( (x^(2)+1)/(x-2))= ((x-2) (2x + 0 ) - ( x^(2) + 1 ) ( 1-0) )/((x-2)^(2))`
`= (2x^(2) - 4x - x^(2) - 1 )/((x-2)^(2))= (x^(2) - 4x - 1 )/(x-2)^(2)`