A.\(\mathbb{R}\backslash \left\{ 0 \right\}\)B.\(\left[ {0; + \infty } \right)\)C.\(\left( {0; + \infty } \right)\)D.\(\mathbb{R}\)
A.\(\left( {1; + \infty } \right)\)B.\(\left( { - 1;0} \right)\)C.\(\left( {0;1} \right)\)D.\(\left( { - \infty ;0} \right)\)
A.\(759\)B.\(795\)C.\(597\)D.\(579\)
A.B.C.D.
A.\(x = 4,y = 3.\)B.\(x = 3,y = 2.\)C.\(x = 2,y = 3.\)D.\(x = 3,y = 4.\)
A.\(1\)B.\(\dfrac{1}{2}\)C.\(\dfrac{1}{4}\)D.\(\dfrac{1}{3}\)
A.\(F = 0\)B.\(F = 1\)C.\(F = -1\)D.\(F = 2021\)
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