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Determine if the following statements are true or false, providing justification: The function d(s) = s * sin(s) is continuous at s = pi. If y = sec(x) + csc(x), then y' = sec(x)tan(x) + csc(x)cot(x).

Mathematics

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إليك تقييم كل عبارة بعلامة صح (✅) أو خطأ (❌):

  1. الدالة د(س) = س قلس متصلة عند س = π\pi الدالة f(x)=xsin⁡(x)f(x) = x \sin(x) هي حاصل ضرب دالتين متصلتين (xx و sin⁡(x)\sin(x))، لذا فهي متصلة عند جميع النقاط، بما في ذلك x=πx = \pi. التقييم: ✅

  2. إذا كانت ص = قا س + قتا س ، فإن ص' = قا س ظا س + قتا س ظتا س مشتقة sec⁡(x)\sec(x) هي $\sec(x) \tan

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