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Solve {1x+1y=31x1y=1\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: {1x+1y=31x1y=1\left\{ \begin{array} { l } \frac { 1 } { x } + \frac { 1 } { y } = 3 \\\\\frac { 1 } { x } - \frac { 1 } { y } = - 1\end{array} \right.


A) (1,12) \left( 1 , \frac { 1 } { 2 } \right)
B) (1,2) ( 1,2 )
C) (1,12) \left( - 1 , \frac { 1 } { 2 } \right)
D) (1,2) ( - 1,2 )

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