- Started with
\[\frac{a \cdot c + b \cdot d}{{c}^2 + {d}^2}\]
12.3
- Using strategy
rm 12.3
- Applied add-cube-cbrt to get
\[\color{red}{\frac{a \cdot c + b \cdot d}{{c}^2 + {d}^2}} \leadsto \color{blue}{{\left(\sqrt[3]{\frac{a \cdot c + b \cdot d}{{c}^2 + {d}^2}}\right)}^3}\]
12.4
- Using strategy
rm 12.4
- Applied div-inv to get
\[{\left(\sqrt[3]{\color{red}{\frac{a \cdot c + b \cdot d}{{c}^2 + {d}^2}}}\right)}^3 \leadsto {\left(\sqrt[3]{\color{blue}{\left(a \cdot c + b \cdot d\right) \cdot \frac{1}{{c}^2 + {d}^2}}}\right)}^3\]
12.7
- Applied cbrt-prod to get
\[{\color{red}{\left(\sqrt[3]{\left(a \cdot c + b \cdot d\right) \cdot \frac{1}{{c}^2 + {d}^2}}\right)}}^3 \leadsto {\color{blue}{\left(\sqrt[3]{a \cdot c + b \cdot d} \cdot \sqrt[3]{\frac{1}{{c}^2 + {d}^2}}\right)}}^3\]
12.8
- Applied cube-prod to get
\[\color{red}{{\left(\sqrt[3]{a \cdot c + b \cdot d} \cdot \sqrt[3]{\frac{1}{{c}^2 + {d}^2}}\right)}^3} \leadsto \color{blue}{{\left(\sqrt[3]{a \cdot c + b \cdot d}\right)}^3 \cdot {\left(\sqrt[3]{\frac{1}{{c}^2 + {d}^2}}\right)}^3}\]
12.8
- Applied simplify to get
\[\color{red}{{\left(\sqrt[3]{a \cdot c + b \cdot d}\right)}^3} \cdot {\left(\sqrt[3]{\frac{1}{{c}^2 + {d}^2}}\right)}^3 \leadsto \color{blue}{\left(c \cdot a + d \cdot b\right)} \cdot {\left(\sqrt[3]{\frac{1}{{c}^2 + {d}^2}}\right)}^3\]
12.7
- Applied taylor to get
\[\left(c \cdot a + d \cdot b\right) \cdot {\left(\sqrt[3]{\frac{1}{{c}^2 + {d}^2}}\right)}^3 \leadsto \frac{c \cdot a}{{d}^2} + \frac{b}{d}\]
2.9
- Taylor expanded around inf to get
\[\color{red}{\frac{c \cdot a}{{d}^2} + \frac{b}{d}} \leadsto \color{blue}{\frac{c \cdot a}{{d}^2} + \frac{b}{d}}\]
2.9
- Applied simplify to get
\[\frac{c \cdot a}{{d}^2} + \frac{b}{d} \leadsto \frac{c}{d} \cdot \frac{a}{d} + \frac{b}{d}\]
0.8
- Applied final simplification