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Determine the Real Solutions to the System of Nonlinear Equations x2+y2=41xy=1\begin{array} { l } x ^ { 2 } + y ^ { 2 } = 41 \\x - y = 1\end{array}

Question 61

Multiple Choice

Determine the real solutions to the system of nonlinear equations.
- x2+y2=41xy=1\begin{array} { l } x ^ { 2 } + y ^ { 2 } = 41 \\x - y = 1\end{array}
xy=1x - y = 1


A) (4,5) ,(5,4) ( - 4 , - 5 ) , ( 5,4 )
B) (4,5) ,(5,4) ( 4 , - 5 ) , ( 5 , - 4 )
C) (4,5) ,(5,4) ( 4,5 ) , ( 5,4 )
D) (4,5) ,(5,4) ( - 4,5 ) , ( - 5,4 )

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