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26. 곑μ \( y = \sqrt{(1 - 2x) \cos x} \left( \frac{3}{4} \pi \leq x \leq \frac{5}{4} \pi \right) \)μ |
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\( x \)μΆ λ° λ μ§μ \( x = \frac{3}{4} \pi, \ x = \frac{5}{4} \pi \)λ‘ λλ¬μΈμΈ λΆλΆμ λ°λ©΄μΌλ‘ νλ μ
체λνμ΄ μλ€. μ΄ μ
체λνμ \( x \)μΆμ μμ§μΈ νλ©΄μΌλ‘ μλ₯Έ λ¨λ©΄μ΄ λͺ¨λ μ μ¬κ°νμΌ λ, μ΄ μ
체λνμ λΆνΌλ? [3μ ] |
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\begin{itemize} |
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\item[1] \( \sqrt{2}\pi - \sqrt{2} \) |
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\item[2] \( \sqrt{2}\pi - 1 \) |
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\item[3] \( 2 \sqrt{2}\pi - \sqrt{2} \) |
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\item[4] \( 2 \sqrt{2}\pi - 1 \) |
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\item[5] \( 2 \sqrt{2}\pi \) |
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\end{itemize} |