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  • Provide solution for RD Sharma maths class 12 chapter Indefinite Integrals exercise 18.8 question 50

Provide solution for RD Sharma maths class 12 chapter Indefinite Integrals exercise 18.8 question 50

Answers (1)

Answer:

        \frac{1}{e}log\left | e^{x}+x^{e} \right |+C

Hint:

        U\! se\: f\! ormula\: o\! f\int \! \frac{1}{t}=log(t)+c

Given:

        \int \! \frac{e^{x-1}+x^{e-1}}{e^{x}+x^{e}}dx            ....(1)

Explanation:

Let

        e^{x}+x^{e}=t

        (e^{x}+ex^{e-1})dx=dt

        e(e^{x-1}+x^{e-1})dx=dt

Put in (1)

        \frac{1}{e}\int \! \frac{dt}{t}=\frac{1}{e}log\left | t \right |+C

        =\frac{1}{e}log\left | e^{x}+x^{e} \right |+C

 

 

 

Posted by

Gurleen Kaur

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