Determine the Real Solutions to the System of Nonlinear Equations $$\begin{array} { l } x ^ { 2 } + y ^ { 2 } = 4 \\x ^ { 2 } - y ^ { 2 } = 4\end{array}$$

question 148

Multiple Choice

Determine the real solutions to the system of nonlinear equations.
- $$\begin{array} { l } x ^ { 2 } + y ^ { 2 } = 4 \\x ^ { 2 } - y ^ { 2 } = 4\end{array}$$

• A) \(( 0,2 )\)
• B) \(( 2,0 )\)
• C) \(( 0,2 ) , ( 0 , - 2 )\)
• D) \(( 2,0 ) , ( - 2,0 )\)

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