A.\(8x + 20y - 22z + 11 = 0\)
B.\(8x + 20y - 22z - 11 = 0\)
C.\(8x - 20y - 22z + 11 = 0\)
D.\(8x + 20y + 22z - 11 = 0\)

A.\(4\)
B.\(1\)
C.\(3\)
D.\(2\)

A.\(9\)
B.\(6\)
C.\(10\)
D.\(8\)

A.\(\left( {7,1;7,3} \right)\)
B.\(\left( {6,5;6,7} \right)\)
C.\(\left( {6,7;6,9} \right)\)
D.\(\left( {6,9;7,1} \right)\)

A.\(2\)
B.\(3\)
C.\(1\)
D.\(9\)

A.\(12f\left( { - 1} \right) + 2026\)
B.\(12f\left( { - 3} \right) + 1958\)
C.\(12f\left( 1 \right) + 2022\)
D.\(f\left( { - 1} \right)\)

A.\(7\)
B.\(6\)
C.\(9\)
D.\(11\)

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

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

A.\(11\)
B.\(10\)
C.\(8\)
D.\(6\)