A.\(576\)
B.\(576\sqrt 2 \)
C.\(144\)
D.\(144\sqrt 6 \)

A.\(78400\)
B.\(235200\)
C.\(117600\)
D.\(44100\)

A.\(\dfrac{{18}}{{\pi  + 4}}\)
B.\(\dfrac{{8\pi }}{9}\)
C.\(\dfrac{{9\left( {\pi  + 4} \right)}}{{25}}\)
D.\(\dfrac{{4 + 6\pi }}{9}\)

A.\( - 8\)
B.\( - 2\)
C.\(2\)
D.\(8\)

A.\({x_0} = 3\)
B.\({x_0} =  - 1\)
C.\({x_0} = 0\)
D.\({x_0} = 1\)

A.\(x = 13\)
B.\(x = 3\)
C.\(x = 11\)
D.\(x = 21\)

A.\(8\)
B.\(6\)
C.\(2\)
D.\(12\)

A.\(\log {a^3} = 3\log a\)
B.\(\log \left( {3a} \right) = \dfrac{1}{3}\log a\)
C.\(\log \left( {3a} \right) = 3\log a\)
D.\(\log {a^3} = \dfrac{1}{3}\log a\)

A.\(x = \dfrac{2}{3}\)
B.\(x = \dfrac{5}{2}\)
C.\(x = \dfrac{3}{2}\)
D.\(x = 2\)

A.\( - 4 + i\)
B.\(4 - i\)
C.\(2 - i\)
D.\(2 + 5i\)