A.B.C.D.
A.\( - 1\)B.\(0\)C.\(1\)D.\(4\)
A.\(y = - {x^3} + 3{x^2} - 3x + 1\)B.\(y = - {x^2} + 2x\)C.\(y = {x^4} - {x^2} + 1\)D.\(y = \dfrac{{x - 1}}{x}\)
A.\(\dfrac{3}{{20}}\)B.\(\dfrac{1}{{20}}\)C.\(\dfrac{1}{3}\)D.\(\dfrac{3}{{10}}\)
A.\({u_{10}} = 20\)B.\({u_{10}} = 21\)C.\({u_{10}} = 19\)D.\({u_{10}} = 15\)
A.\(4\pi {a^2}\)B.\(2\pi {a^2}\)C.\(\pi {a^2}\)D.\(\dfrac{4}{3}\pi {a^2}\)
A.\(6x - 4y + 3z - 12 = 0\)B.\(\dfrac{x}{2} + \dfrac{y}{{ - 3}} + \dfrac{z}{4} = 0\)C.\(6x - 4y + 3z = 0\)D.\(\dfrac{x}{2} + \dfrac{y}{3} - \dfrac{z}{4} = 1\)
A.\(\left( {3;2} \right)\)B.\(\left( {3; - 2} \right)\)C.\(\left( { - 2;3} \right)\)D.\(\left( {2; - 3} \right)\)
A.\( - 2\)B.\(4\)C.\( - 4\)D.\(2\)
A.\(\int {f\left( x \right)dx} = \dfrac{1}{2}\ln \left| {3x + 1} \right| + C\)B.\(\int {f\left( x \right)dx} = \dfrac{1}{3}\ln \left| {3x + 1} \right| + C\)C.\(\int {f\left( x \right)dx} = \dfrac{1}{3}\ln \left( {3x + 1} \right) + C\)D.\(\int {f\left( x \right)dx} = \ln \left| {3x + 1} \right| + C\)
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