Solve $\left\{ \begin{array} { l } \frac { 1 } { x } + \frac { 1 } { y } = 3 \\\\\frac { 1 } { x } - \frac { 1 } { y } = - 1\end{array} \right.$

question 93

Multiple Choice

Solve: $\left\{ \begin{array} { l } \frac { 1 } { x } + \frac { 1 } { y } = 3 \\\\\frac { 1 } { x } - \frac { 1 } { y } = - 1\end{array} \right.$

• A) \(\left( 1 , \frac { 1 } { 2 } \right)\)
• B) \(( 1,2 )\)
• C) \(\left( - 1 , \frac { 1 } { 2 } \right)\)
• D) \(( - 1,2 )\)

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