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

A.\(\left( {4;8} \right)\)  
B.\(\left( {4;9} \right)\)   
C.\(\left( {0;4} \right) \cup \left( {8; + \infty } \right)\)  
D.\(\left[ {4;8} \right]\)

A.\(\left( P \right):x + 2y - 3z + 9 = 0\)   
B.\(\left( P \right):x + 2y - 3z - 9 = 0\)
C.\(\left( P \right):x + 2y + 3z - 9 = 0\)   
D.\(\left( P \right):x + \sqrt 3 y - 1 - \sqrt 3  = 0\)

A.-1   
B.1    
C.-2    
D.2

A.\(\left( {1;3} \right)\)
B.\(\left( {0;2} \right)\)
C.\(\left( {2;4} \right)\)
D.\(\left( {3;4} \right)\)

A.\(\omega L\).
B.\(\frac{1}{{\sqrt {\omega L} }}\).
C.\(\sqrt {\omega L} \).
D.\(\frac{1}{{\omega L}}\).

A.\(3{e^{3x}} + C\)
B.\(\dfrac{{{e^{3x}}}}{{3\ln 3}} + C\)
C.\({e^{3x}} + C\)
D.\(\dfrac{1}{3}{e^{3x}} + C\)

A.\(4\)
B.\(5\)
C.\(2\)
D.\(3\)

A.\(M + m = \dfrac{1}{5}\)
B.\(M + m =  - \dfrac{1}{5}\)
C.\(M + m =  - \dfrac{4}{5}\)
D.\(M + m =  - 1\)

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