\left\{ \begin{array} { l } { a ^ { 2 } + 4 a + 1 = 0 } \\ { b ^ { 2 } + 4 b + 1 = 0 } \end{array} \right.
Datrys ar gyfer a, b (complex solution)
a=-\left(\sqrt{3}+2\right)\approx -3.732050808\text{, }b=-\left(\sqrt{3}+2\right)\approx -3.732050808
a=\sqrt{3}-2\approx -0.267949192\text{, }b=-\left(\sqrt{3}+2\right)\approx -3.732050808
a=-\left(\sqrt{3}+2\right)\approx -3.732050808\text{, }b=\sqrt{3}-2\approx -0.267949192
a=\sqrt{3}-2\approx -0.267949192\text{, }b=\sqrt{3}-2\approx -0.267949192
Datrys ar gyfer a, b
a=-\sqrt{3}-2\approx -3.732050808\text{, }b=-\left(\sqrt{3}+2\right)\approx -3.732050808
a=\sqrt{3}-2\approx -0.267949192\text{, }b=-\left(\sqrt{3}+2\right)\approx -3.732050808
a=-\sqrt{3}-2\approx -3.732050808\text{, }b=\sqrt{3}-2\approx -0.267949192
a=\sqrt{3}-2\approx -0.267949192\text{, }b=\sqrt{3}-2\approx -0.267949192
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