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Math Help - evaluate the integral

  1. #1
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    evaluate the integral

    evaluate the integral

    R 4
    0 (x^2 − 6x) dx


    limit
    n --> positive infinity

    n!1
    Pn
    i=1
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  2. #2
    Super Member Deadstar's Avatar
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    Are you asking us to evaluate...

    \int_0^4 x^2 - 6x dx?

    And also evaluate...

    \sum_{n=1}^{\infty} \frac{1}{n}

    This is the code for integrals.

    [tex]\int_{lower limit}^{upper limit} {function} dx[/m ath]

    Copy it, replace appropriate parts, delete the space between the m and a in [/m ath]

    Similarly here is the code for sums

    [tex]\sum_{n=lower limit}^{upper limit} {function}[/M ATH]

    for fractions...

    \frac{upper}{lower}

    For infinity its \infty
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  3. #3
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    lim
    n --> \infty \sum_{i=1}^{n}




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  4. #4
    Super Member Deadstar's Avatar
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    Quote Originally Posted by FamousDrumFreak View Post
    = \big{[} \frac{x^3}{3} - 3x^2 \big{]}_0^4.

    Still not sure for the second question.
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