# Find the Derivative – d/dx x/(x+y)

Differentiate using the Quotient Rule which states that is where and .
Differentiate.
Differentiate using the Power Rule which states that is where .
Multiply by .
By the Sum Rule, the derivative of with respect to is .
Differentiate using the Power Rule which states that is where .
Since is constant with respect to , the derivative of with respect to is .