A.\(m > 28\)B.\(m < 1\)C.\(0 \le m \le 28\)D.\(0 < m < 28\)
A.\(m \ge - 1\)B.\( - 1 \le m \le 0\)C.\(m \ge 0\)D.\(m > - 1\)
A.\(\left( { - \infty ;\,\,\dfrac{1}{2}} \right)\)B.\(\left( { - \infty ;\,\,\dfrac{1}{2}} \right]\)C.\(\left( {\dfrac{1}{2};\,\, + \infty } \right)\)D.\(\left[ {\dfrac{1}{2};\,\, + \infty } \right)\)
A.\(\left\{ \begin{array}{l}{x^2} - 2x - 3 > 0\\ - 2{x^2} + x - 1 < 0\end{array} \right.\)B.\(\left\{ \begin{array}{l}{x^2} - 2x - 3 < 0\\ - 2{x^2} + x - 1 > 0\end{array} \right.\)C.\(\left\{ \begin{array}{l}{x^2} - 2x - 3 > 0\\2{x^2} + x + 1 > 0\end{array} \right.\)D.\(\left\{ \begin{array}{l}{x^2} - 2x - 3 < 0\\2{x^2} - x + 1 > 0\end{array} \right.\)
A.\( - \dfrac{{20}}{9} \le m \le 0\)B.\(m \le 0\)C.\(m \ge - \dfrac{{20}}{9}\)D.\(m > 0\)
A.\(m > - \dfrac{1}{3}\)B.\(m > 0\)C.\(m \ge - \dfrac{1}{3}\)D.\(m > - 15\)
A.\(m \in \left( { - \infty ;\,\, - 2} \right) \cup \left( {\dfrac{1}{3};\,\, + \infty } \right)\)B.\(m \in \left( { - \infty ;\,\,0} \right) \cup \left( {\dfrac{1}{3};\,\, + \infty } \right)\)C.\(m \in \left( { - \infty ;\,\, - 2} \right) \cup \left( {0;\,\, + \infty } \right)\)D.\(m \in \left( {0;\,\,\dfrac{1}{3}} \right)\)
A.89327B.83927C.72386D.92783
A.380B.308C.38D.3080
A.\(\left( { - 2;0} \right)\)B.\(\left( { - \infty ; - 2} \right)\)C.\(\left( {0;2} \right)\)D.\(\left( {0; + \infty } \right)\)
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