A.\(0\)
B.\(1\)  
C.\(3\)
D.\(2\)

A.\({45^0}\)
B.\({75^0}\)
C.\({60^0}\)
D.\({30^0}\)

A.\(5\)
B.\(10\)  
C.\(12\)
D.\(6\)

A.\(3\)
B.\(1\)  
C.\(4\)
D.\(2\)

A.\(11!\)
B.\(2.9!\)  
C.\(10!\)
D.\(9!\)

A.\(64\sqrt 2 {a^3}\)
B.\(\dfrac{{64\sqrt 2 {a^3}}}{3}\)  
C.\(32\sqrt 2 {a^3}\)
D.\(\dfrac{{32\sqrt 2 {a^3}}}{3}\)

A.\(54\)
B.\(108\)  
C.\(36\)
D.\(72\)

A.\(10\)
B.\(12\)  
C.\(\dfrac{{35}}{6}\)
D.\(\dfrac{7}{2}\)

A.\(\left( {2; + \infty } \right)\)
B.\(\left( { - \infty ;3} \right)\)
C.\(\left( { - 1;3} \right)\)
D.\(\left( {0;2} \right)\)

A.\(x = \dfrac{{11}}{2}\)
B.\(x = 5\)  
C.\(x = \dfrac{9}{2}\)
D.\(x = 6\)