A.U' = 31,75 VB.U' = 542,93 VC.U' = 317,14 VD.U' = 33,13 V
A.N1 = 825vòng.B.N1 = 1320vòng.C.N1 = 1170vòng.D.N1 = 975vòng.
A.84 %.B.98%.C.94%.D.88%.
A.\(I\left( {2; - 2;3} \right),\,\,R = 9\)B.\(I\left( {1; - 1;\dfrac{3}{2}} \right),\,\,R = \dfrac{9}{2}\) C.\(I\left( {1; - 1;\dfrac{3}{2}} \right),\,\,R = 9\)D.\(I\left( {2; - 2;3} \right),\,\,R = \dfrac{9}{2}\)
A.\({x^2} + \ln \left| {x - 1} \right| + C.\)B.\(1 + \dfrac{1}{{{{\left( {x - 1} \right)}^2}}} + C.\)C.\(x + \dfrac{1}{{x - 1}} + C.\)D.\(\dfrac{{{x^2}}}{2} + \ln \left| {x - 1} \right| + C\)
A.\(C\left( {3;10; - 6} \right)\)B.\(C\left( {3; - 10; - 6} \right)\)C.\(C\left( {3; - 10;6} \right)\)D.\(C\left( { - 3;10;6} \right)\)
A.\(0 < a < 1;\,\,0 < b < 1\)B.\(a > 1;\,\,b > 1\)C.\(a > 1;\,\,0 < b < 1\)D.\(0 < a < 1;\,\,b > 1\)
A.\(x \in \left( { - 1;2} \right)\) B.\(x \in \left( { - 1; + \infty } \right)\)C.\(x \in \left( { - \infty ; - 1} \right) \cup \left( {2; + \infty } \right)\) D.\(x \in \left( { - \infty ; - 1} \right] \cup \left[ {2; + \infty } \right)\)
A.1B.10C.-1D.11
A.\( - 5\)B.\( - 2\)C.\( - 1\)D.1
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