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anonymous

  • 5 years ago

how do you do this integral: ∫(t^2)sin⁡(t^3+t^4)√(2t+9t^4+16t^6 )dt from 0 to 5?

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  1. anonymous
    • 5 years ago
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    That problem is insane

  2. anonymous
    • 5 years ago
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    yah i know

  3. anonymous
    • 5 years ago
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    can't use calculator either

  4. anonymous
    • 5 years ago
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    i typed it into wolframalpha.com it solved the problem but it didnt give the result

  5. anonymous
    • 5 years ago
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    I get - 12.01 but after the 01 the number goes even further than that

  6. anonymous
    • 5 years ago
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    i dont know if thats the right answer

  7. anonymous
    • 5 years ago
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    unless there is another way around it. original problem is fine the line integran \[\int\limits_{}^{} xsin(y+z)ds

  8. anonymous
    • 5 years ago
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    oops lemme do that again

  9. anonymous
    • 5 years ago
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    find the line integral: \[\int\limits_{}^{} xsin(y+z)ds\]

  10. anonymous
    • 5 years ago
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    where x = t^2 y= t^3 z=t^4 \[0\le t \le5\]

  11. anonymous
    • 5 years ago
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    the answer should be around 15 too

  12. anonymous
    • 5 years ago
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    hmm im not sure

  13. anonymous
    • 5 years ago
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    thats what the professor told us.

  14. anonymous
    • 5 years ago
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    wow not much of a professor lol I thought professor knew everything

  15. anonymous
    • 5 years ago
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    well he told us he wanted us to solve it. And that the answer was around 15 to kinda help us i guess. But no clue where to even begin solving that integral

  16. anonymous
    • 5 years ago
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    wow i still dont know where to start

  17. anonymous
    • 5 years ago
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    yeah same

  18. anonymous
    • 5 years ago
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    i think you can use integration by parts here. http://en.wikipedia.org/wiki/Integration_by_parts

  19. anonymous
    • 5 years ago
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    umm.. not sure how i would approach it with that

  20. anonymous
    • 5 years ago
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    well, I don't remember the procedure now. I just know that these type of integrations can be solved using integration by parts. I think the wikipedia page has the description of how to do it. Sorry I can't be of more help.

  21. anonymous
    • 5 years ago
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    ok, thanks anyways.

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spraguer (Moderator)
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is replying to Can someone tell me what button the professor is hitting...

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