# What is the Limit definition of derivative of a function at a point?

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The limit definition of the derivative of a function ( f(x) ) at a point ( x = a ) is given by:

[ f'(a) = \lim_{h \to 0} \frac{f(a + h) - f(a)}{h} ]

Where ( f'(a) ) represents the derivative of ( f(x) ) at the point ( x = a ).

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