البحث:

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احسنت استاذنا الفاضل (صلاح احمد)
بارك الله بعلمكم وعملكم

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نعم استاذنا الفاضل - انانقلت السؤال بدون حل
فعلا لا يمكن حل المعادلة بالطرق التي نعرفها !
بسبب عدم وجود حل للتكامل (integration factor)
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