Template:Anomalous cancellation in calculus

Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \begin{array}{l} \;\;\; \dfrac {d} {dx} \dfrac{1}{x} \\ = \dfrac {d} {d} \dfrac{1}{x^2} \\ = \dfrac{d\!\!\!\backslash}{d\!\!\!\backslash} \dfrac{1}{x^2} \\ = - \dfrac{1}{x^2} \end{array}}

Anomalous cancellation in calculus