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

A.\(\frac{1}{6}.\)      
B.\(\frac{3}{{20}}.\)    
C.\(\frac{2}{{15}}.\)      
D.\(\frac{1}{5}.\)

A.\(\frac{{2a}}{3}.\)    
B.\(\frac{{\sqrt 6 a}}{3}.\)  
C.\(\frac{{\sqrt 3 a}}{3}.\) 
D.\(\frac{a}{2}.\)

A.\(5.\)
B.\(4.\)
C.\(3.\)
D.\(2.\)

A.\(202.\)
B.\(203.\)
C.\(206.\)
D.\(207.\)

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

A.\(216\,\pi {a^3}.\)
B.\(150\pi {a^3}.\)
C.\(54\pi {a^3}.\)
D.\(108\pi {a^3}.\)

A.\(S = \pi \int\limits_0^1 {\left( {2{x^2} + 1} \right)dx.} \)                
B.\(S = \int\limits_0^1 {\left( {2{x^2} - 1} \right)dx.} \)                           
C.\(S = \int\limits_0^1 {{{\left( {2{x^2} + 1} \right)}^2}dx.} \)         
D.\(S = \int\limits_0^1 {\left( {2{x^2} + 1} \right)dx.} \)

A.\(2\int\limits_0^2 {{e^u}du.} \)                   
B.\(2\int\limits_0^4 {{e^u}du.} \)    
C.\(\frac{1}{2}\int\limits_0^2 {{e^u}du.} \)        
D.\(\frac{1}{2}\int\limits_0^4 {{e^u}du.} \)

A.\(\left( { - 2;4; - 1} \right).\)                               
B.\(\left( {2; - 4;1} \right).\)       
C.\(\left( {2;4;1} \right).\)         
D.\(\left( { - 2; - 4; - 1} \right)\)