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Calculus/Engr Math Finding the general soloution:

  1. Feb 8, 2007 #1
    1. The problem statement, all variables and given/known data

    2. Relevant equations

    The above is the quiz problem which I do not understand. Below is my worked out version on word. I cant figure out how to get that negative value at the end of the problem.

    Thank you in advance.

    My attempt to solve

  2. jcsd
  3. Feb 8, 2007 #2

    D H

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    Staff Emeritus
    Science Advisor

    There is a bit of ambiguity in your question. Does the red tab over answer b mean that
    1. you punched b but b is the wrong answer, or
    2. b is supposedly the correct answer?

    Your worked out answer corresponds to f, none of the above.
  4. Feb 9, 2007 #3
    Oh yes, sorry. I punched B out of desperation and it was wrong. I could not find the right answer and none of the above is never a choice in this class so I had to guess...

    I just re did the quiz a few hours ago and they seem to have fixed that negative sign so I guess it was a typo.

    Thank you for your help!
  5. Feb 9, 2007 #4


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    Staff Emeritus
    Science Advisor

    Yes, your solution is correct. That "-10x" is clearly a typo- which proves that you are better than whoever set the test!
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