- Started with
\[(x * y + z)_* - \left(1 + \left(x \cdot y + z\right)\right)\]
30.6
- Using strategy
rm 30.6
- Applied flip-+ to get
\[(x * y + z)_* - \color{red}{\left(1 + \left(x \cdot y + z\right)\right)} \leadsto (x * y + z)_* - \color{blue}{\frac{{1}^2 - {\left(x \cdot y + z\right)}^2}{1 - \left(x \cdot y + z\right)}}\]
30.8
- Using strategy
rm 30.8
- Applied flip-- to get
\[\color{red}{(x * y + z)_* - \frac{{1}^2 - {\left(x \cdot y + z\right)}^2}{1 - \left(x \cdot y + z\right)}} \leadsto \color{blue}{\frac{{\left((x * y + z)_*\right)}^2 - {\left(\frac{{1}^2 - {\left(x \cdot y + z\right)}^2}{1 - \left(x \cdot y + z\right)}\right)}^2}{(x * y + z)_* + \frac{{1}^2 - {\left(x \cdot y + z\right)}^2}{1 - \left(x \cdot y + z\right)}}}\]
31.7
- Applied simplify to get
\[\frac{{\left((x * y + z)_*\right)}^2 - {\left(\frac{{1}^2 - {\left(x \cdot y + z\right)}^2}{1 - \left(x \cdot y + z\right)}\right)}^2}{\color{red}{(x * y + z)_* + \frac{{1}^2 - {\left(x \cdot y + z\right)}^2}{1 - \left(x \cdot y + z\right)}}} \leadsto \frac{{\left((x * y + z)_*\right)}^2 - {\left(\frac{{1}^2 - {\left(x \cdot y + z\right)}^2}{1 - \left(x \cdot y + z\right)}\right)}^2}{\color{blue}{\left(y \cdot x + \left(1 + z\right)\right) + (x * y + z)_*}}\]
31.7
- Applied taylor to get
\[\frac{{\left((x * y + z)_*\right)}^2 - {\left(\frac{{1}^2 - {\left(x \cdot y + z\right)}^2}{1 - \left(x \cdot y + z\right)}\right)}^2}{\left(y \cdot x + \left(1 + z\right)\right) + (x * y + z)_*} \leadsto \frac{{\left((x * y + z)_*\right)}^2 - {\left(y \cdot x + \left(1 + z\right)\right)}^2}{\left(y \cdot x + \left(1 + z\right)\right) + (x * y + z)_*}\]
31.7
- Taylor expanded around 0 to get
\[\frac{{\left((x * y + z)_*\right)}^2 - {\color{red}{\left(y \cdot x + \left(1 + z\right)\right)}}^2}{\left(y \cdot x + \left(1 + z\right)\right) + (x * y + z)_*} \leadsto \frac{{\left((x * y + z)_*\right)}^2 - {\color{blue}{\left(y \cdot x + \left(1 + z\right)\right)}}^2}{\left(y \cdot x + \left(1 + z\right)\right) + (x * y + z)_*}\]
31.7
- Applied simplify to get
\[\frac{{\left((x * y + z)_*\right)}^2 - {\left(y \cdot x + \left(1 + z\right)\right)}^2}{\left(y \cdot x + \left(1 + z\right)\right) + (x * y + z)_*} \leadsto \frac{\left(y \cdot x + \left(z + 1\right)\right) + (x * y + z)_*}{\frac{\left(y \cdot x + \left(z + 1\right)\right) + (x * y + z)_*}{\left((x * y + z)_* - y \cdot x\right) - \left(z + 1\right)}}\]
10.5
- Applied final simplification
- Applied simplify to get
\[\color{red}{\frac{\left(y \cdot x + \left(z + 1\right)\right) + (x * y + z)_*}{\frac{\left(y \cdot x + \left(z + 1\right)\right) + (x * y + z)_*}{\left((x * y + z)_* - y \cdot x\right) - \left(z + 1\right)}}} \leadsto \color{blue}{\left((x * y + z)_* - x \cdot y\right) - \left(1 + z\right)}\]
10.4