\left\{ \begin{array} { l } { a + b + c = 2 } \\ { a ^ { 2 } + b ^ { 2 } + c ^ { 2 } = 2 } \end{array} \right.
Leystu fyrir a, b, c (complex solution)
a=2-c-b\text{, }b=\frac{\sqrt{c\left(4-3c\right)}-c+2}{2}\text{, }c\in \mathrm{C}
a=2-c-b\text{, }b=\frac{-\sqrt{c\left(4-3c\right)}-c+2}{2}\text{, }c\in \mathrm{C}
Leystu fyrir a, b, c
a=2-c-b\text{, }b=\frac{\sqrt{c\left(4-3c\right)}-c+2}{2}\text{, }c\in \begin{bmatrix}0,\frac{4}{3}\end{bmatrix}\text{; }a=2-c-b\text{, }b=\frac{-\sqrt{c\left(4-3c\right)}-c+2}{2}\text{, }c\in \begin{bmatrix}0,\frac{4}{3}\end{bmatrix}
Spurningakeppni
5 vandamál svipuð og:
\left\{ \begin{array} { l } { a + b + c = 2 } \\ { a ^ { 2 } + b ^ { 2 } + c ^ { 2 } = 2 } \end{array} \right.
Deila
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