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أوجد قيمة التكامل التالي: integral ((2x) - (2x))\,dx ؟

Mathematics

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السؤال 74:

الخيار الصحيح هو (أ).

الخطوة 1: نوجد تكامل الدالة المعطاة:

∫(cos⁡(2x)−sin⁡(2x)) dx\int (\cos(2x) - \sin(2x))\,dx

نكامل كل حد على حدة:
تكامل cos⁡(2x)\cos(2x) هو 12sin⁡(2x)\frac{1}{2}\sin(2x).
تكامل −sin⁡(2x)-\sin(2x) هو −(−12cos⁡(2x))=12cos⁡(2x)- (-\frac{1}{2}\cos(2x)) = \frac{1}{2}\cos(2x).

الخطوة 2: نجمع النتائج مع ثابت التكامل CC:

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