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Thread: limitation problem

  1. #1 limitation problem 
    Forum Freshman
    Join Date
    Jun 2005
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    14
    :?
    hello:

    lim((a^x-a^sinx)/(sinx)^3) (x->0) 1)
    =lim(a^sinx*(a^(x-sinx)-1)/x^3) (x->0) 2)
    =lim(a^sinx)*lim((a^(x-sinx)-1)/x^3) (x->0) 3)
    =(lim((x-sinx)/x^3))*ln(a) 4)
    =(lim((1-cosx)/3*(x^2)))*ln(a)=1/6*ln(a)

    i have full of question mark on my head how they are derived step by step, it look like a puzzle.
    [/i]


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  3. #2  
    Forum Freshman sara8's Avatar
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    Cairo
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    I think you should try www.sosmath.com/CBB there are lots of math professionals there

    Sara,


    The things that hurt instruct
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  4. #3  
    Forum Freshman James R's Avatar
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    May 2005
    Location
    Victoria, Australia
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    24
    The second line doesn't seem to follow from the first.
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