A.\(\dfrac{{x - 1}}{1} = \dfrac{{y + 1}}{2} = \dfrac{{z + 2}}{{ - 1}}\)  
B.\(\dfrac{{x - 1}}{{ - 1}} = \dfrac{{y - 2}}{1} = \dfrac{{z + 1}}{2}\)
C.\(\dfrac{{x + 1}}{1} = \dfrac{{y - 1}}{2} = \dfrac{{z - 2}}{{ - 1}}\)  
D.\(\dfrac{{x + 1}}{{ - 1}} = \dfrac{{y + 1}}{1} = \dfrac{{z - 1}}{2}\)

A.\(M\left( {0;1;2} \right)\)
B.\(N\left( {2;0;1} \right)\)  
C.\(P\left( {0;0;1} \right)\)
D.\(Q\left( {2;1;0} \right)\)

A.\(L =  - 5\)
B.\(L = 5\)
C.\(L = 0\)
D.\(L =  - 3\)

A.\(I =  - \dfrac{{21}}{{100}}\)
B.\(I = \ln \dfrac{5}{2}\)  
C.\(I = \dfrac{{4581}}{{5000}}\)  
D.\(I = \log \dfrac{5}{2}\)

A.\({\log _a}b < 0\)
B.\(\ln a > \ln b\)  
C.\({\left( {0,5} \right)^a} < {\left( {0,5} \right)^b}\)  
D.\({2^a} > {2^b}\)

A.\(y = {\log _3}x\)
B.\(y = \dfrac{1}{{{3^x}}}\)  
C.\(y = \dfrac{1}{{1 + x}}\)  
D.\(x = {\left( {\sqrt 3 } \right)^x}\)

A.2
B.0
C.1
D.3

A.\(y = {x^3} - 5{x^2} + x + 6\)
B.\(y = {x^3} - 6{x^2} + 9x - 1\)
C.\(y =  - {x^3} + 6{x^2} - 9x + 7\)
D.\(y = {x^4} + {x^2} - 3\)

A.\(16\)
B.\(4 + 2\sqrt 3 \)  
C.\(12\)
D.\(20\)

A.\(9\pi \sqrt 3 \)  
B.\(27\pi \sqrt 3 \)  
C.\(3\pi \sqrt 3 \)  
D.\(6\pi \sqrt 3 \)