Leystu fyrir x, λ, y
x=-\frac{1}{4}=-0.25\text{, }y=-\frac{3\sqrt{7}}{4}\approx -1.984313483\text{, }\lambda =-\frac{1}{2}=-0.5
x=-\frac{1}{4}=-0.25\text{, }y=\frac{3\sqrt{7}}{4}\approx 1.984313483\text{, }\lambda =-\frac{1}{2}=-0.5
x=-2\text{, }y=0\text{, }\lambda =-\frac{1}{2}=-0.5
x=2\text{, }y=0\text{, }\lambda =-\frac{1}{2}=-0.5
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