Properties of the DerivativeThe derivative has certain special properties when applied to combinations of functions. Derivative of the product of two functionsIf the function f(x) is a product of two functions m(x) and n(x), then the derivative of this product is Derivative of the sum of two functionsIf the function f(x) is a sum of two functions m(x) and n(x), then the derivative of this sum is simply the sum of the derivatives: Chain rule for differentiationIf the function y = f(x) and x=g(z), then the derivative of y with respect to z can be written as a product of derivatives: 
Index Derivative concepts  

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