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lynnn Group Title

Calc 3! need help!

  • 2 years ago
  • 2 years ago

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  1. lynnn Group Title
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    • 2 years ago
  2. slaaibak Group Title
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    \[\int\limits_{0}^{2\pi}\int\limits_{0}^{\sqrt{7 \over 2}} [5 - (7 - 2x^2 - 2y^2)] rdrd \theta \]

    • 2 years ago
  3. lynnn Group Title
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    can't get the right answer. what is it supposed to be:)?

    • 2 years ago
  4. slaaibak Group Title
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    sorry, I forgot something \[\int\limits_{0}^{spi}\int\limits_{0}^{\sqrt{ 7\over2}} {[5 - (7 - 2r)]} rdrd \theta\]

    • 2 years ago
  5. slaaibak Group Title
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    Well, if you can't get the right answer, you obviously must know the right answer, and would not be asking for the right answer. Sorry, but I'm not going to evaluate the integral for you. That's the easy part.

    • 2 years ago
  6. slaaibak Group Title
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    There must be a 2pi in the outer integral top bound.

    • 2 years ago
  7. lynnn Group Title
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    I do not know what the answer is.

    • 2 years ago
  8. slaaibak Group Title
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    Then how can you say "can't get the right answer." ?

    • 2 years ago
  9. lynnn Group Title
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    because the answer choices are 2pi, 3pi/2, pi/2, pi, and 5pi/2. and i'm not getting one of these.

    • 2 years ago
  10. slaaibak Group Title
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    I'm suddenly very confused as to what the question asks. Must you get the volum of the area enclosed by the parabaloid and plane? Where does a cylinder come in?

    • 2 years ago
  11. lynnn Group Title
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    yeah i don't understand the question. the hint thats supposed to help me just made me confused even more

    • 2 years ago
  12. slaaibak Group Title
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    Nah I unfortunately don't know what they want, sorry.

    • 2 years ago
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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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