Differences

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--- playground [2012/09/23 13:29] – randy
+++ playground [2022/09/01 11:44] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
-===== 20.3 =====
+===== 20.10 =====
-**a**
+**e**
 $$
 \begin{split}
-& 4x^4 -3x^2 + 2 \\
-& 16x^3 -6x
-\end{split}
-$$
-**e**
+(x - x^4) ^ {-2} \\
+-2 (x - x^4) ^ {-3} \cdot 1 - 4 x^3 \\
+-2(x - x^4) ^ {-3}
-$$
-\begin{split}
-x^2 -5x^3 +1 \\
-x -15x^2 +1
 \end{split}
 $$
+Behalve de kettingregel gebruik je ook de somregel!
-===== 20.5 =====
+===== 20.13 =====
-**a**
+**b**
 $$
 \begin{split}
-\sqrt{3}{x} \\
-x^{\frac{1}{3}} \\
-\frac{1}{2} x ^ {-\frac{2}{3}}
-\end{split}
-$$
-**e**
+x \cos(2x) \\
+\cos (2x) &+ x - \sin(2x) \cdot 2 \\
+\cos (2x) &- 2x \sin(2x)
-$$
-\begin{split}
-x^2 \sqrt{5}{x^2} \\
-x^2 x ^ {\frac{2}{5}} \\
-x^ {\frac{12}{5}} \\
-\frac{12}{5} x ^ {\frac{7}{5}}
 \end{split}
 $$
+Behalve de productregel gebruik je hierbij ook de kettingregel!