KẾT QUẢ ĐÚNG CỦA $ I = \INT_0^1 {\FRAC{{DX}}{{\SQRT {{{\LEFT( {1 + {X^2}} \RIGHT)}^3}} }}}$ LÀ:
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Level:
Medium
Question Types: Multiple choice
Answers:
- $ \\\sqrt 3 .$
- $ \\\frac{1}{{\\\sqrt 3 }}.$
- $ \\\frac{{\\\sqrt 2 }}{2}.$
- $ \\\frac{{\\\sqrt 3 }}{2}.$