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\newcommand{\Bold}[1]{\mathbf{#1}}x \ {\mapsto}\ \frac{8 \, {\left(x^{2} - y^{2}\right)} x^{2} y^{2}}{{\left(x^{2} + y^{2}\right)}^{3}} - \frac{2 \, {\left(x^{2} - y^{2}\right)} x^{2}}{{\left(x^{2} + y^{2}\right)}^{2}} - \frac{2 \, {\left(x^{2} - y^{2}\right)} y^{2}}{{\left(x^{2} + y^{2}\right)}^{2}} + \frac{2 \, x^{2}}{x^{2} + y^{2}} - \frac{2 \, y^{2}}{x^{2} + y^{2}} + \frac{x^{2} - y^{2}}{x^{2} + y^{2}} \newcommand{\Bold}[1]{\mathbf{#1}}x \ {\mapsto}\ \frac{8 \, {\left(x^{2} - y^{2}\right)} x^{2} y^{2}}{{\left(x^{2} + y^{2}\right)}^{3}} - \frac{2 \, {\left(x^{2} - y^{2}\right)} x^{2}}{{\left(x^{2} + y^{2}\right)}^{2}} - \frac{2 \, {\left(x^{2} - y^{2}\right)} y^{2}}{{\left(x^{2} + y^{2}\right)}^{2}} + \frac{2 \, x^{2}}{x^{2} + y^{2}} - \frac{2 \, y^{2}}{x^{2} + y^{2}} + \frac{x^{2} - y^{2}}{x^{2} + y^{2}} -1 1 \newcommand{\Bold}[1]{\mathbf{#1}}x \ {\mapsto}\ \frac{8 \, {\left(x^{2} - y^{2}\right)} x^{2} y^{2}}{{\left(x^{2} + y^{2}\right)}^{3}} - \frac{2 \, {\left(x^{2} - y^{2}\right)} x^{2}}{{\left(x^{2} + y^{2}\right)}^{2}} - \frac{2 \, {\left(x^{2} - y^{2}\right)} y^{2}}{{\left(x^{2} + y^{2}\right)}^{2}} + \frac{2 \, x^{2}}{x^{2} + y^{2}} - \frac{2 \, y^{2}}{x^{2} + y^{2}} + \frac{x^{2} - y^{2}}{x^{2} + y^{2}} \newcommand{\Bold}[1]{\mathbf{#1}}x \ {\mapsto}\ \frac{8 \, {\left(x^{2} - y^{2}\right)} x^{2} y^{2}}{{\left(x^{2} + y^{2}\right)}^{3}} - \frac{2 \, {\left(x^{2} - y^{2}\right)} x^{2}}{{\left(x^{2} + y^{2}\right)}^{2}} - \frac{2 \, {\left(x^{2} - y^{2}\right)} y^{2}}{{\left(x^{2} + y^{2}\right)}^{2}} + \frac{2 \, x^{2}}{x^{2} + y^{2}} - \frac{2 \, y^{2}}{x^{2} + y^{2}} + \frac{x^{2} - y^{2}}{x^{2} + y^{2}} -1 1 |
[0.0820512820513 0.148717948718] [ 0.128205128205 -0.205128205128] [ 0.220512820513 0.0871794871795] [0.0820512820513 0.148717948718] [ 0.128205128205 -0.205128205128] [ 0.220512820513 0.0871794871795] |