A.\({\left( {x - 1} \right)^2} + {\left( {y + 2} \right)^2} + {\left( {z - 3} \right)^2} = 4\)
B.\({\left( {x + 1} \right)^2} + {\left( {y - 2} \right)^2} + {\left( {z + 3} \right)^2} = 4\)
C.\({\left( {x - 1} \right)^2} + {\left( {y + 2} \right)^2} + {\left( {z - 3} \right)^2} = 2\)
D.\({\left( {x + 1} \right)^2} + {\left( {y - 2} \right)^2} + {\left( {z + 3} \right)^2} = 2\)

A.\(x = 0\)
B.\(z = 0\)
C.\(y = 0\)
D.\(x + z = 0\)

A.\(\overrightarrow u  = \left( {2;3;1} \right)\)
B.\(\overrightarrow u  = \left( {2;3;0} \right)\)
C.\(\overrightarrow u  = \left( { - 1;2; - 3} \right)\)
D.\(\overrightarrow u  = \left( {1; - 2;3} \right)\)

A.\(\dfrac{5}{{26}}\)
B.\(\dfrac{6}{{13}}\)
C.\(\dfrac{7}{{13}}\)
D.\(\dfrac{7}{{26}}\)

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

A.\( - 2\)
B.\(\dfrac{7}{2}\)
C.\(\dfrac{{ - 13}}{2}\)
D.\(\dfrac{{ - 17}}{2}\)

A.\(x > 1\)
B.\(x < 1\)
C.\(0 < x < 1\)
D.\({\log _2}3 < x < 1\)

A.2
B.-2
C.1
D.-1

A.\(z = 3 - i\)
B.\(z =  - 3 + i\)
C.\(z = 1 - 3i\)
D.\(z =  - 1 + 3i\)

A.\(z =  - 2 - 4i\)
B.\(z =  - 13 - 14i\)
C.\(z = 6 + 6i\)
D.\(z =  - 3 - 14i\)