Compute $f'(a)$ using the limits/definition of derivatives. \begin{equation*} f(x) = \frac{1}{\sqrt{x} - 1}, \qquad a = 2 \end{equation*}
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The derivative of a function f(x) at a point a is defined as the limit of the difference quotient as x approaches a. Mathematically, it is given by: f'(a) = lim (h->0) [f(a+h) - f(a)] / h Show more…
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