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@@ -1500,7 +1500,7 @@ Rules are stored rather simply, in a list of cons cells, with the ~CAR~ being th
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(defvar *rules* '())
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#+END_SRC
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-** WORKING Rules [7/9]
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+** WORKING Rules [8/9]
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:PROPERTIES:
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:CREATED: <2016-06-13 Mon 22:52>
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:ID: fdcebadd-b53d-4f59-99a4-4a3782e017a2
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@@ -1614,12 +1614,15 @@ Differentiation of Multiplicative equations are performed by the product rule.
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(differentiate `(* ,first (* ,@rest)))))
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#+END_SRC
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-*** TODO Rationals
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+*** DONE Rationals
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+CLOSED: [2016-08-20 Sat 13:28]
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:PROPERTIES:
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:CREATED: <2016-06-14 Tue 10:21>
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:ID: cd681a61-a143-4e02-a6a9-e7b8f9b9c77d
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:END:
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+This follows the quotient rule, which is defined as $\frac{\mathrm{d}}{\mathrm{d}x} \frac{f(x)}{g(x)} = \frac{f^{\prime}(x)g(x) - f(x)g^{\prime}(x)}{g(x)^2}$.
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+
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#+Caption: Rational Derivatives
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#+Name: sd-rationals
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#+BEGIN_SRC lisp
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