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image Finding length of the curve, did i mess up simpifying? Share It Thread Tools Search this Thread image
Old Oct4-05, 09:40 AM                  #1
mr_coffee

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Finding length of the curve, did i mess up simpifying?

Hello everyone, i'm suppose to find the length of the curve. But the book got a different answer, anyone see my problem? Here is the picture and my work:
http://img216.imageshack.us/img216/7900/urnt8jd.jpg
THanks.
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Old Oct4-05, 09:47 AM                  #2
TD

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Doesn't (2t)² = 4t²?
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Old Oct4-05, 04:29 PM                  #3
mr_coffee

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ahh ur right my bad..
so i have sqrt(4t^2 + 25t^8)
Will that simpify too:
10t^5?
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