A.\(3\sqrt 2 \)
B.\(\dfrac{{11\sqrt 2 }}{2}\)
C.\( - \dfrac{{\sqrt 2 }}{2}\)
D.\(\sqrt 2 \)

A.\(2\)
B.\(3\)
C.\(4\)
D.\(0\)

A.\(\dfrac{{37}}{{12}}\)
B.\(\dfrac{{81}}{{12}}\)
C.\(\dfrac{9}{4}\)
D.\(13\)

A.\(\left\{ \begin{array}{l}x = 1 + t\\y =  - 2\\z = 3 - t\end{array} \right.\)
B.\(\left\{ \begin{array}{l}x =  - 1 + t\\y = 2\\z =  - 3 - t\end{array} \right.\)
C.\(\left\{ \begin{array}{l}x = 1 + 2t\\y =  - 2\\z = 3 + 2t\end{array} \right.\)
D.\(\left\{ \begin{array}{l}x = 1\\y =  - 2\\z = 3 - 2t\end{array} \right.\)

A.\( - \dfrac{1}{2}\)
B.\(5\)
C.\( - \dfrac{{11}}{2}\)
D.\( - 5\)

A.\(3\pi \sqrt 2 \)
B.\(3\pi \sqrt 3 \)
C.\(\pi \sqrt 3 \)
D.\(3\pi \)

A.\(M\left( {1;4} \right)\)
B.\(M\left( {1; - 4} \right)\)
C.\(M\left( { - 1;4} \right)\)
D.\(M\left( { - 1; - 4} \right)\)

A.\(V = 2{a^3}\)
B.\(V = 4{a^3}\)
C.\(V = 6{a^3}\)
D.\(V = 12{a^3}\)

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

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