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Maths Help??

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  • 27-09-2009 8:43pm
    #1
    itsokay
    Registered Users Posts: 50 ✭✭


    ne1 here got texts and tests 5 and know how to do q16 on pg 67. its integration:confused:


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    #2
    Crotchety
    Closed Accounts Posts: 693 ✭✭✭Crotchety


    Give us the question.


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    #3
    meathawk
    Registered Users Posts: 334 ✭✭meathawk


    hey I had that book last year but I can't find it, tell me the question


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    #4
    itsokay
    Registered Users Posts: 50 ✭✭itsokay


    its find the integral of x over root (x+1) dx


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    #5
    MathsManiac
    Registered Users Posts: 1,595 ✭✭✭MathsManiac


    itsokay wrote: »
    its find the integral of x over root (x+1) dx

    (edit: sorry; didn't spot the word "root")

    Let u=x+1. Then you have (u-1)/sqrt(u)

    Should be ok after that.


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    #6
    Crotchety
    Closed Accounts Posts: 693 ✭✭✭Crotchety


    This is higher level maths. A waste of time I should think.

    x(x+1)

    =

    x2 + 1x


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