Tìm \[ \propto \] để hàm số \[f\left( x \right) = \left\{ {\begin{array}{*{20}{c}}{{{\left( {1 - \sin 2x} \right)}^{\cot x}},x \ne 0}\\{\alpha ,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,x = 0}\end{array}} \right.\] liên tục tại x₀ = 0.

A. I = 0

B. I = 1

D. \[I = \sqrt e \]

A. 12 m.

B. 15 m.

C. 17 m.

D. 19 m.

A. Đáp án khác.

B. 0,0232.

C. 0,0757.

D. 0,0428.

A.\[f\left( x \right) = \left\{ {\begin{array}{*{20}{c}}{x + 1, - 1 < x < 0}\\{1,\,\,\,\,\,\,\,\,\,\,\,\,0 \le x \le 2}\\{ - x + 3,2 < x \le 3}\\{0,\,\,\,\,\,\,3 \ge x}\end{array}} \right.\]</>

B. \[f\left( x \right) = \left\{ {\begin{array}{*{20}{c}}{x + 1, - 1 \le x \le 0}\\{1,\,\,\,\,\,\,\,\,\,\,\,\,\,0 < x \le 2}\\{ - x + 3,2 < x \le 3}\\{0,\,\,\,\,3 \le x}\end{array}} \right.\]

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C. \[f\left( x \right) = \left\{ {\begin{array}{*{20}{c}}{x + 1, - 1 < x \le 0}\\{1,\,\,\,\,\,\,\,\,\,\,\,\,\,0 < x \le 2}\\{ - x - 3,2 < x \le 3}\\{0,\,\,\,\,3 \le x}\end{array}} \right.\]

D. Không có câu nào có đáp án đúng.

A.\[g\left( x \right) = \sqrt[3]{{2{x^2} + {x^3}}}\]

B. \[g\left( x \right) = \sqrt[3]{{ - 2{x^2} + {x^3}}}\]

C. \[g\left( x \right) = \sqrt[3]{{{x^2}\left( {x - 2} \right)}}\]

D. \[g\left( x \right) = \sqrt[3]{{2{x^2} - {x^3}}}\]

A. \[\left[ {0;\frac{{\sqrt \pi }}{2}} \right)\]

B. \[\left[ {0;\frac{{\sqrt \pi }}{2}} \right]\]

C. \[\left( {0;\frac{{\sqrt \pi }}{2}} \right)\]

D. \[\left( {0;\frac{\pi }{2}} \right)\]