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byerskm2 Group Title

Identify the function f and the largest interval of form [0, a] on which the limit below represents a definite integral. http://i48.tinypic.com/9aslfo.jpg

  • one year ago
  • one year ago

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  1. satellite73 Group Title
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    please tell me you tried \(f(x)=\sqrt{49-x^2}\)

    • one year ago
  2. byerskm2 Group Title
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    Of course i did

    • one year ago
  3. satellite73 Group Title
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    didn't work?

    • one year ago
  4. satellite73 Group Title
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    oh damn, there is a 2 out there, isn't there

    • one year ago
  5. byerskm2 Group Title
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    yeah and I tried it with the 2 as well

    • one year ago
  6. mahmit2012 Group Title
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    f(x)=sq(x(a-x))

    • one year ago
  7. satellite73 Group Title
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    i think it is \(f(x)=2\sqrt{49-x^2}\)

    • one year ago
  8. byerskm2 Group Title
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    I tried that

    • one year ago
  9. satellite73 Group Title
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    integral is \[\sum_{i=1}^nf(x_i^*)\Delta x\]

    • one year ago
  10. satellite73 Group Title
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    then i am lost

    • one year ago
  11. satellite73 Group Title
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    oh maybe you were supposed to put in the interval as well

    • one year ago
  12. byerskm2 Group Title
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    Maybe if I change the order to match that so that the 2 is the last part...I orignally wrote it 2*sqrt49-x^2

    • one year ago
  13. byerskm2 Group Title
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    wow...yeah of course it accepted that and not the 2* one...thanks quys. I hate online hw

    • one year ago
  14. satellite73 Group Title
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    jesus

    • one year ago
  15. mahmit2012 Group Title
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    dx=a-0/n and max of a is 7 so dx=7/n so if deltax is i/n you can find the coefficient.

    • one year ago
  16. satellite73 Group Title
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    picky picky picky

    • one year ago
  17. byerskm2 Group Title
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    indeed. XP

    • one year ago
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