\(\left( {x - 1} \right)\left( {xy + 1} \right) = 3\)
A.\(\left( {x;y} \right) \in \left\{ {\left( {1;\,\,2} \right);\left( {4;\,\,0} \right)} \right\}.\)
B.\(\left( {x;y} \right) \in \left\{ {\left( {1;\,\,2} \right);\left( { - 4;\,\,0} \right)} \right\}.\)
C.\(\left( {x;y} \right) \in \left\{ {\left( {2;\,\,1} \right);\left( {4;\,\,0} \right)} \right\}.\)
D.\(\left( {x;y} \right) \in \left\{ {\left( {2;\,\,1} \right);\left( { - 4;\,\,0} \right)} \right\}.\)