Give All Solutions of the Nonlinear System of Equations, Including $$\begin{array} { l } x y = 1 \\42 x - y = - 1\end{array}$$

question 159

Multiple Choice

Give all solutions of the nonlinear system of equations, including those with nonreal complex components.
- $$\begin{array} { l } x y = 1 \\42 x - y = - 1\end{array}$$

• A) \(\{ ( - 7,7 ) , ( 6 , - 6 ) \}\)
• B) \(\left\{ \left( 7 , \frac { 1 } { 7 } \right) , \left( - 6 , - \frac { 1 } { 6 } \right) \right\}\)
• C) \(\left\{ \left( \frac { 1 } { 7 } , 7 \right) , \left( - \frac { 1 } { 6 } , - 6 \right) \right\}\)
• D) \(\left\{ \left( - \frac { 1 } { 6 } , - 6 \right) \right\}\)

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