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Proposition: Derivative of the Reciprocal Function
The derivative of the reciprocal function $f(x)=1/x,$ $x\in\mathbb R,$ $x\neq 0$ is $$f'(x)=\frac{1}{x^2}.$$
The graph of the derivative of the reciprocal function is shown in the following figure:
Table of Contents
Proofs: 1
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References
Bibliography
 Forster Otto: "Analysis 1, Differential und Integralrechnung einer VerĂ¤nderlichen", Vieweg Studium, 1983