A.\({90^0}\)
B.\({60^0}\)
C.\({45^0}\)
D.\({30^0}\)

A.\(m \in \left( {0;2} \right)\)
B.\(m \in \left[ {0;2} \right]\)
C.\(m \in \left[ {0;2} \right)\)
D.\(m \in \left( {0;2} \right]\)

A.\(m > 1\)
B.\(m \ge 1\)
C.\(m \ge  - 1\)
D.\(m \le  - 1\)

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

A.\(M = 1 - {2021^{2020}}\)
B.\(M =  - {2021^{1010}} - 1\)
C.\(M = {2021^{1010}} - 1\)
D.\(M = {2021^{2019}} - 1\)

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

A.\(\dfrac{1}{2}\)
B.\( - \dfrac{1}{2}\)
C.\( - \dfrac{3}{2}\)
D.1

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

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

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