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  • Explain solution RD Sharma class 12 chapter Indefinite Integrals exercise 18.8 question 44 maths

Explain solution RD Sharma class 12 chapter Indefinite Integrals exercise 18.8 question 44 maths

Answers (1)

Answer:

        log\left | x+log\, sin\, x \right |+C

Hint:

        Put denominator = t

Given:

        \int \! \frac{1+cot\, x}{x+log\, sin\, x}dx                        ........(1)

Explanation:

Let

        x+log\, sin\, x=t

        (1+\frac{1}{sin\, x}(cos\, x))dx=dt

        (1+cot\, x)dx=dt

Put in (1) we get

        \int \! \frac{dt}{t}=log\left | t \right |+C

        =log\left | x+log\, sin\, x \right |+C

Posted by

Gurleen Kaur

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