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Math Help - Definition of limits

  1. #1
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    Definition of limits

    hey there,


    two question, i have no idea how to do them






    [img=http://img88.imageshack.us/img88/9550/limitscx8.th.jpg]

    thanks
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by chousta View Post
    hey there,


    two question, i have no idea how to do them






    [img=http://img88.imageshack.us/img88/9550/limitscx8.th.jpg]

    thanks
    (I assume both \varepsilon and k are supposed to be >0)

    \left| \frac{4x+5}{9x+6}-\frac{4}{9}\right|=\left|\frac{36x+45-36x-24}{9(9x+6)}\right| <br />
=\left|\frac{7}{27x+18}\right|<\left| \frac{7}{27x}\right|<\frac{7|\varepsilon|}{27|k|}<br />

    RonL
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