\(\left\{ \begin{array}{l}2\sqrt {x - 1} + \sqrt {y + 2} = 4\\6\sqrt {x - 1} - 2\sqrt {y + 2} = 2\end{array} \right.\)
A.\(\left( {x;y} \right) = \left( {2;2} \right)\)
B.\(\left( {x;y} \right) = \left( {1;2} \right)\)
C.\(\left( {x;y} \right) = \left( { - 2; - 2} \right)\)
D.\(\left( {x;y} \right) = \left( {2;1} \right)\)
A.\(\left( {x;y} \right) = \left( {2;2} \right)\)
B.\(\left( {x;y} \right) = \left( {1;2} \right)\)
C.\(\left( {x;y} \right) = \left( { - 2; - 2} \right)\)
D.\(\left( {x;y} \right) = \left( {2;1} \right)\)
Loga
Hóa Học lớp 12
