Give All Solutions of the Nonlinear System of Equations, Including $\begin{array} { l } 3 x ^ { 2 } + 3 y ^ { 2 } = 20 \\6 x ^ { 2 } + 6 y ^ { 2 } = 48\end{array}$

question 240

Multiple Choice

Give all solutions of the nonlinear system of equations, including those with nonreal complex components.
$\begin{array} { l } 3 x ^ { 2 } + 3 y ^ { 2 } = 20 \\6 x ^ { 2 } + 6 y ^ { 2 } = 48\end{array}$

• A) {(2i, 2i), (2i, -2i), (-2i,2i),(-2i,-2i)}
• B) {(2,2),(-2,-2)}
• C) \(\varnothing\)
• D) {(2,2),(2,-2),(-2,2),(-2,-2)}

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