Derivative between 2 Functions

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Nov 23, 2010, 03:19 AM

Derivative between 2 Functions

be f and g Functions are Defined for any X.

is it Known that 2f(x)-3g(x) and 5f(x)+4g(x) are Derivative in X0.

prove that the product f(x)g(x) are Derivative in X0.

thanks

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