Tìm các nghiệm nguyên của phương trình \({x^2} - 2x - 11 = {y^2}\).
A.\(\left( {5; - 2} \right);\,\,\left( {3;2} \right);\,\,\left( {5;2} \right);\,\,\left( {3; - 2} \right)\)
B.\(\left( {5; - 2} \right);\,\,\left( { - 3;2} \right);\,\,\left( {5;2} \right);\,\,\left( { - 3; - 2} \right)\)
C.\(\left( {5;2} \right);\,\,\left( {3;2} \right);\,\,\left( { - 5;2} \right);\,\,\left( { - 3;2} \right)\)
D.\(\left( {5;2} \right);\,\,\left( {3;2} \right);\,\,\left( { - 5; - 2} \right);\,\,\left( { - 3; - 2} \right)\)
A.\(\left( {5; - 2} \right);\,\,\left( {3;2} \right);\,\,\left( {5;2} \right);\,\,\left( {3; - 2} \right)\)
B.\(\left( {5; - 2} \right);\,\,\left( { - 3;2} \right);\,\,\left( {5;2} \right);\,\,\left( { - 3; - 2} \right)\)
C.\(\left( {5;2} \right);\,\,\left( {3;2} \right);\,\,\left( { - 5;2} \right);\,\,\left( { - 3;2} \right)\)
D.\(\left( {5;2} \right);\,\,\left( {3;2} \right);\,\,\left( { - 5; - 2} \right);\,\,\left( { - 3; - 2} \right)\)
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Hóa Học lớp 12
