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saifoo.khan

  • 2 years ago

Integration by parts help. (problem attached)

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  1. saifoo.khan
    • 2 years ago
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    1 Attachment
  2. slaaibak
    • 2 years ago
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    You're doing it right.

  3. slaaibak
    • 2 years ago
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    I'll quickly write my full answer out

  4. saifoo.khan
    • 2 years ago
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    Now if i integrate -xcosx+sinx, i will again get something for which i have to use the integration by parts formula. :S

  5. saifoo.khan
    • 2 years ago
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    What should be my next step?

  6. slaaibak
    • 2 years ago
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    Just wrote it out, uploading now

  7. saifoo.khan
    • 2 years ago
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    Thanks a lot.

  8. slaaibak
    • 2 years ago
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    1 Attachment
  9. slaaibak
    • 2 years ago
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    basically what you did, just complete

  10. saifoo.khan
    • 2 years ago
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    Wow. Your way is shorter! I wish i do these that way too! I just started this topic so probably I'll catch up. ;) So between second and 3rd last step, you used that int by parts formula again?

  11. slaaibak
    • 2 years ago
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    yeah, that's correct. yeah try getting into the habit of doing it like I did, since the further you get into mathematics, the time to do things in becomes crucial, so you want to be quick

  12. saifoo.khan
    • 2 years ago
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    True! Thanks alot. :)

  13. slaaibak
    • 2 years ago
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    it's a pleasure :)

  14. saifoo.khan
    • 2 years ago
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    If you don't mind me asking. Are you in a University? In what year of study do they teach you these topics?

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