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MichaleMoor

  • 3 years ago

integrate {x^13 * (sin (x^7) dx}

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  1. AravindG
    • 3 years ago
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    Did you try integration by parts?

  2. AravindG
    • 3 years ago
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    in btw : WELCOME TO OPENSTUDY!!

  3. MichaleMoor
    • 3 years ago
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    Which one should be u and which one should be dv?

  4. MichaleMoor
    • 3 years ago
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    Thanks

  5. Callisto
    • 3 years ago
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    Do something before by parts. Let u=x^7 => du = 7x^6 dx => x^6 dx = du/7 \[\int x^{13}sin (x^7) dx\]\[=\int x^{7}sin (x^7) (x^6dx)\]\[=\int usin (u) (\frac{du}{7})\]\[=\frac{1}{7}\int usin(u)du\]Then, use integration by parts.

  6. MichaleMoor
    • 3 years ago
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    Thank you Callisto

  7. Callisto
    • 3 years ago
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    Welcome~ Do you understand how to get there?

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