A.\({u_{10}} =  - 29\)
B.\({u_{10}} =  - {2.3^9}\)
C.\({u_{10}} = 25\)
D.\({u_{10}} = 28\)

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

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

A.\(6\)
B.\(1\)
C.\( - 1\)
D.\(5\)

A.\(\left( { - 4;5} \right)\)
B.\(\left( { - 4; - 5} \right)\)
C.\(\left( {4; - 5} \right)\)
D.\(\left( {5; - 4} \right)\)

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

A.\({M_4}\left( { - \dfrac{1}{2};\dfrac{3}{2}} \right)\)
B.\({M_1}\left( {\dfrac{1}{2};\dfrac{3}{2}} \right)\)
C.\({M_2}\left( {\dfrac{3}{2};\dfrac{1}{2}} \right)\)
D.\({M_3}\left( {\dfrac{3}{2}; - \dfrac{1}{2}} \right)\)

A.Việt Nam.
B.Triều Tiên.
C.Lào.
D.Campuchia.

A.\(5\)
B.\(6\)
C.\(3\)
D.\(4\)

A.\(\dfrac{{{{\left( {1 + \sqrt 2 } \right)}^{2020}} - 2021}}{{2020}}\) 
B.\(\dfrac{{{{\left( {1 + \sqrt 2 } \right)}^{2021}} + 2020}}{{2021}}\)
C.\(\dfrac{{{{\left( {1 + \sqrt 2 } \right)}^{2020}} + 2021}}{{2020}}\) 
D.\(\dfrac{{{{\left( {1 + \sqrt 2 } \right)}^{2021}} - 2020}}{{2021}}\)