A.\(A = 7\sqrt 2 .\)
B.\(A =  - 5\sqrt 2 .\)
C.\(A =  - 9\sqrt 2 .\)
D.\(A =  - 7\sqrt 2 .\)

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

A.\(b)\,\,\left( {1;1} \right)\,\,;\,\,B\left( {2;4} \right)\)
B.\(b)\,\,\left( { - 1;1} \right)\,\,;\,\,B\left( { - 2;4} \right)\)
C.\(b)\,\,\left( { - 1;1} \right)\,\,;\,\,B\left( {2;4} \right)\)
D.\(b)\,\,\left( {1;1} \right)\,\,;\,\,B\left( { - 2;4} \right)\)

A.\(\left( {x;y} \right) = \left( {3; - 1} \right)\)
B.\(\left( {x;y} \right) = \left( {3;1} \right)\)
C.\(\left( {x;y} \right) = \left( {0;1} \right)\)
D.\(\left( {x;y} \right) = \left( {0; - 1} \right)\)

A.\(A = \dfrac{{ - 1004}}{{25}}\)
B.\(A = \dfrac{{ - 1024}}{{25}}\)
C.\(A = \dfrac{{ - 1044}}{{25}}\)
D.\(A = \dfrac{{ - 1054}}{{25}}\)

A.
B.
C.
D.

A.\(2719km\)
B.\(2729km\)
C.\(2709km\)
D.\(2739km\)

A.\({30^0}\).
B.\({150^0}\).
C.\({120^0}\).
D.\({60^0}\).

A.\({x^2} - 3x + 1 = 0\)
B.\({x^2} - x - 5 = 0\)
C.\({x^2} + 5x + 2 = 0\)     
D.\({x^2} + 3x + 5 = 0\)

A.\(72\pi \)
B.\(140\pi \)
C.\(144\pi \)
D.\(288\pi \)