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المعادلات التفاضلية: Mathematics Tawjihi question with answer

A Tawjihi Mathematics question (التكامل) with the answer and worked steps.

From the Tawjihi question bank: Mathematics · التكامل

أجد الحل العام للمعادلة dydx=ex6x2\frac{dy}{dx}=e^x-6x^2، ثم الحل الخاص المار بالنقطة (1,0)(1,0).

المعادلات التفاضلية

The answer

بالتكامل: y=(ex6x2)dx=ex2x3+Cy=\int(e^x-6x^2)dx=e^x-2x^3+C. نعوض (1,0)(1,0): 0=e2+C0=e-2+C، إذن C=2eC=2-e. الحل الخاص y=ex2x3+2ey=e^x-2x^3+2-e.

Explanation

مثال الحل العام ثم الخاص في الصفحات 91-92.

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