حساب التفاضل والتكامل الأمثلة

\int \csc^{3} (x) d x

$\int \csc^{3} (x) d x$

خطوة 1

طبّق قاعدة الاختزال.

- \frac{\cot (x) \csc (x)}{2} + \frac{1}{2} \int \csc (x) d x

$- \frac{\cot (x) \csc (x)}{2} + \frac{1}{2} \int \csc (x) d x$

خطوة 2

تكامل

\csc (x)

$\csc (x)$ بالنسبة إلى

x

$x$ هو

\ln (| \csc (x) - \cot (x) |)

$\ln (| \csc (x) - \cot (x) |)$ .

- \frac{\cot (x) \csc (x)}{2} + \frac{1}{2} (\ln (| \csc (x) - \cot (x) |) + C)

$- \frac{\cot (x) \csc (x)}{2} + \frac{1}{2} (\ln (| \csc (x) - \cot (x) |) + C)$

خطوة 3

بسّط الإجابة.

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خطوة 3.1

أعِد كتابة

- \frac{\cot (x) \csc (x)}{2} + \frac{1}{2} (\ln (| \csc (x) - \cot (x) |) + C)

$- \frac{\cot (x) \csc (x)}{2} + \frac{1}{2} (\ln (| \csc (x) - \cot (x) |) + C)$ بالصيغة

- \frac{1}{2} \cot (x) \csc (x) + \frac{1}{2} \ln (| \csc (x) - \cot (x) |) + C

$- \frac{1}{2} \cot (x) \csc (x) + \frac{1}{2} \ln (| \csc (x) - \cot (x) |) + C$ .

- \frac{1}{2} \cot (x) \csc (x) + \frac{1}{2} \ln (| \csc (x) - \cot (x) |) + C

$- \frac{1}{2} \cot (x) \csc (x) + \frac{1}{2} \ln (| \csc (x) - \cot (x) |) + C$

خطوة 3.2

بسّط.

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خطوة 3.2.1

اجمع

\cot (x)

$\cot (x)$ و

\frac{1}{2}

$\frac{1}{2}$ .

- \frac{\cot (x)}{2} \csc (x) + \frac{1}{2} \ln (| \csc (x) - \cot (x) |) + C

$- \frac{\cot (x)}{2} \csc (x) + \frac{1}{2} \ln (| \csc (x) - \cot (x) |) + C$

خطوة 3.2.2

اجمع

\csc (x)

$\csc (x)$ و

\frac{\cot (x)}{2}

$\frac{\cot (x)}{2}$ .

- \frac{\csc (x) \cot (x)}{2} + \frac{1}{2} \ln (| \csc (x) - \cot (x) |) + C

$- \frac{\csc (x) \cot (x)}{2} + \frac{1}{2} \ln (| \csc (x) - \cot (x) |) + C$

خطوة 3.2.3

لكتابة

\frac{1}{2} \ln (| \csc (x) - \cot (x) |)

$\frac{1}{2} \ln (| \csc (x) - \cot (x) |)$ على هيئة كسر بقاسم مشترك، اضرب في

\frac{2}{2}

$\frac{2}{2}$ .

- \frac{\csc (x) \cot (x)}{2} + \frac{1}{2} \ln (| \csc (x) - \cot (x) |) \cdot \frac{2}{2} + C

$- \frac{\csc (x) \cot (x)}{2} + \frac{1}{2} \ln (| \csc (x) - \cot (x) |) \cdot \frac{2}{2} + C$

خطوة 3.2.4

اجمع

\frac{1}{2} \ln (| \csc (x) - \cot (x) |)

$\frac{1}{2} \ln (| \csc (x) - \cot (x) |)$ و

\frac{2}{2}

$\frac{2}{2}$ .

- \frac{\csc (x) \cot (x)}{2} + \frac{\frac{1}{2} \ln (| \csc (x) - \cot (x) |) \cdot 2}{2} + C

$- \frac{\csc (x) \cot (x)}{2} + \frac{\frac{1}{2} \ln (| \csc (x) - \cot (x) |) \cdot 2}{2} + C$

خطوة 3.2.5

اجمع البسوط على القاسم المشترك.

\frac{- \csc (x) \cot (x) + \frac{1}{2} \ln (| \csc (x) - \cot (x) |) \cdot 2}{2} + C

$\frac{- \csc (x) \cot (x) + \frac{1}{2} \ln (| \csc (x) - \cot (x) |) \cdot 2}{2} + C$

خطوة 3.2.6

اجمع

\frac{1}{2}

$\frac{1}{2}$ و

\ln (| \csc (x) - \cot (x) |)

$\ln (| \csc (x) - \cot (x) |)$ .

\frac{- \csc (x) \cot (x) + \frac{\ln (| \csc (x) - \cot (x) |)}{2} \cdot 2}{2} + C

$\frac{- \csc (x) \cot (x) + \frac{\ln (| \csc (x) - \cot (x) |)}{2} \cdot 2}{2} + C$

خطوة 3.2.7

اجمع

\frac{\ln (| \csc (x) - \cot (x) |)}{2}

$\frac{\ln (| \csc (x) - \cot (x) |)}{2}$ و

2

$2$ .

\frac{- \csc (x) \cot (x) + \frac{\ln (| \csc (x) - \cot (x) |) \cdot 2}{2}}{2} + C

$\frac{- \csc (x) \cot (x) + \frac{\ln (| \csc (x) - \cot (x) |) \cdot 2}{2}}{2} + C$

خطوة 3.2.8

انقُل

2

$2$ إلى يسار

\ln (| \csc (x) - \cot (x) |)

$\ln (| \csc (x) - \cot (x) |)$ .

\frac{- \csc (x) \cot (x) + \frac{2 \cdot \ln (| \csc (x) - \cot (x) |)}{2}}{2} + C

$\frac{- \csc (x) \cot (x) + \frac{2 \cdot \ln (| \csc (x) - \cot (x) |)}{2}}{2} + C$

خطوة 3.2.9

ألغِ العامل المشترك لـ

2

$2$ .

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خطوة 3.2.9.1

ألغِ العامل المشترك.

\frac{- \csc (x) \cot (x) + \frac{2 \ln (| \csc (x) - \cot (x) |)}{2}}{2} + C

$\frac{- \csc (x) \cot (x) + \frac{2 \ln (| \csc (x) - \cot (x) |)}{2}}{2} + C$

خطوة 3.2.9.2

اقسِم

\ln (| \csc (x) - \cot (x) |)

$\ln (| \csc (x) - \cot (x) |)$ على

1

$1$ .

\frac{- \csc (x) \cot (x) + \ln (| \csc (x) - \cot (x) |)}{2} + C

$\frac{- \csc (x) \cot (x) + \ln (| \csc (x) - \cot (x) |)}{2} + C$

\frac{- \csc (x) \cot (x) + \ln (| \csc (x) - \cot (x) |)}{2} + C

$\frac{- \csc (x) \cot (x) + \ln (| \csc (x) - \cot (x) |)}{2} + C$

\frac{- \csc (x) \cot (x) + \ln (| \csc (x) - \cot (x) |)}{2} + C

$\frac{- \csc (x) \cot (x) + \ln (| \csc (x) - \cot (x) |)}{2} + C$

خطوة 3.3

أعِد ترتيب الحدود.

\frac{1}{2} (- \csc (x) \cot (x) + \ln (| \csc (x) - \cot (x) |)) + C

$\frac{1}{2} (- \csc (x) \cot (x) + \ln (| \csc (x) - \cot (x) |)) + C$

\frac{1}{2} (- \csc (x) \cot (x) + \ln (| \csc (x) - \cot (x) |)) + C

$\frac{1}{2} (- \csc (x) \cot (x) + \ln (| \csc (x) - \cot (x) |)) + C$