anonymous
  • anonymous
Calc 3! need help!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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slaaibak
  • slaaibak
\[\int\limits_{0}^{2\pi}\int\limits_{0}^{\sqrt{7 \over 2}} [5 - (7 - 2x^2 - 2y^2)] rdrd \theta \]
anonymous
  • anonymous
can't get the right answer. what is it supposed to be:)?

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slaaibak
  • slaaibak
sorry, I forgot something \[\int\limits_{0}^{spi}\int\limits_{0}^{\sqrt{ 7\over2}} {[5 - (7 - 2r)]} rdrd \theta\]
slaaibak
  • slaaibak
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.
slaaibak
  • slaaibak
There must be a 2pi in the outer integral top bound.
anonymous
  • anonymous
I do not know what the answer is.
slaaibak
  • slaaibak
Then how can you say "can't get the right answer." ?
anonymous
  • anonymous
because the answer choices are 2pi, 3pi/2, pi/2, pi, and 5pi/2. and i'm not getting one of these.
slaaibak
  • slaaibak
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?
anonymous
  • anonymous
yeah i don't understand the question. the hint thats supposed to help me just made me confused even more
slaaibak
  • slaaibak
Nah I unfortunately don't know what they want, sorry.

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