A.\(S = 28\)B.\(S = \dfrac{{49}}{2}\)C.\(S = 7\)D.\(S = 14\)
A.\(2\)B.\(0\)C.\(3\)D.\(1\)
A.\(2\)B.\(4\)C.\(3\)D.\(1\)
A.\(2\sqrt 2 \pi {a^3}\)B.\(12\pi {a^3}\)C.\(36\pi {a^3}\)D.\(\dfrac{{2\sqrt 2 \pi }}{3}{a^3}\)
A.\({x^2} - \cos x + \dfrac{1}{5}\sin 5x - 1\)B.\({x^2} + \cos x - \dfrac{1}{5}\sin 5x + 2\)C.\({x^2} + \cos x - \dfrac{1}{5}\sin 5x - 2\)D.\({x^2} - \cos x + \dfrac{1}{5}\sin 5x + 1\)
A.\(4\)B.\(3\)C.\(2\)D.\(\dfrac{5}{2}\)
A.\({x^4} + 5x + C\)B.\(12x + C\)C.\(\dfrac{{{x^4}}}{4} + 5x + C\)D.\({x^4} + 2\)
A.\(y = {\left( {\dfrac{2}{\pi }} \right)^x}\)B.\(y = 0,{5^{ - x}}\)C.\(y = {x^3}\)D.\(y = {\log _{\dfrac{1}{3}}}x\)
A.\(15\)B.\(10\)C.\(20\)D.\(5\)
A.\(y = \dfrac{{x - 1}}{{x - 2}}\)B.\(y = - {x^3} - 3x\)C.\(y = \dfrac{{x + 1}}{{x + 3}}\)D.\(y = {x^3} + x\)
Loga.vn - Cộng Đồng Luyện Thi Trực Tuyến