A.\(\left[ \begin{array}{l}m \ge 1\\m \le  - 1\end{array} \right.\)
B.\(m > 0\)
C.\(\left( { - \infty ;0} \right)\)
D.\(\left( {0;1} \right)\)

A.\(4\)
B.\(1\)
C.\(2\)
D.\(3\)

A.\(\sqrt {65} \)
B.\(\sqrt {67} \)
C.\(\sqrt {69} \)
D.\(\sqrt {61} \)

A.\(127\)
B.\(128\)
C.\(63\)
D.\(64\)

A.\(\frac{{7\sqrt 6 }}{4}\)
B.\(\frac{{3\sqrt 3 }}{2}\)
C.\(\frac{{5\sqrt 3 }}{2}\)
D.\(\frac{{7\sqrt 6 }}{2}\)

A.\(\frac{{24}}{{169}}{a^3}\)
B.\(\frac{{25}}{{338}}{a^3}\)
C.\(\frac{{25}}{{169}}{a^3}\)
D.\(\frac{{12}}{{169}}{a^3}\)

A.\( - 6\)
B.\( - 3\)
C.\(6\)
D.\(3\)

A.\(5\)
B.\(1\)
C.\(2\)
D.\(3\)

A.\(0\)
B.\(2\)
C.\(3\)
D.\(1\)

A.\(24.400.000\)đ
B.\(36.000.000\) đ
C.\(38.000.000\) đ
D.\(38.800.000\) đ