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Nismo450Z

  • 2 years ago

Evaluate the integral

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  1. Nismo450Z
    • 2 years ago
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    \[\int\limits_{1}^{4} (x-5)/\sqrt{x}\]

  2. Dido525
    • 2 years ago
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    |dw:1352265825543:dw|

  3. Dido525
    • 2 years ago
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    Can you find the antiderivative now?

  4. Nismo450Z
    • 2 years ago
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    (2/3)x^(3/2)-10x^(1/2)

  5. Dido525
    • 2 years ago
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    Good!

  6. Nismo450Z
    • 2 years ago
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    I got that far i just keep getting weired numbers

  7. Dido525
    • 2 years ago
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    So we have: |dw:1352266048741:dw|

  8. Dido525
    • 2 years ago
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    You can ignore the constant of integration because the cancel out.

  9. Dido525
    • 2 years ago
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    Wait. This is simply plugging in and solving.

  10. Nismo450Z
    • 2 years ago
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    yes

  11. Nismo450Z
    • 2 years ago
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    i ended up with 2 but thats not right

  12. Dido525
    • 2 years ago
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    Wait. Let me solve.

  13. Dido525
    • 2 years ago
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    I got 16/3 .

  14. Nismo450Z
    • 2 years ago
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    thats not right

  15. Dido525
    • 2 years ago
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    Are you SURE?

  16. Nismo450Z
    • 2 years ago
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    Computer rejected it

  17. Dido525
    • 2 years ago
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    Try -16/3 . If that's wrong, I disagree with the answer.

  18. Nismo450Z
    • 2 years ago
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    that worked thanks

  19. Dido525
    • 2 years ago
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    Okay then!

  20. Dido525
    • 2 years ago
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    So they wanted the net area hmm...

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spraguer (Moderator)
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