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Question
Write the value of \[\lim_{x \to c} \frac{f(x) - f(c)}{x - c}\]
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Solution
\[\text{ Using the definition of derivative, we have }:\]
\[ \lim_{x \to c} \frac{f\left( x \right) - f\left( x \right)}{x - c} = f'\left( c \right)\]
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