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Math Help - How to put a Letter above the integral sign?

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    How to put a Letter above the integral sign?

    How to put a Letter above the integral sign in Latex like this?

    Thanks!
    Last edited by zzzhhh; August 31st 2010 at 08:49 PM.
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    by the way, how to delete the attachment? I think there should be a "delete" button in the Manage Attachments window, but only "add" button is found.
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    Quote Originally Posted by zzzhhh View Post
    How to put a Letter above the integral sign in Latex like this?

    Thanks!
    \displaystyle A \hspace{-1.1em} \int f(x)\;dx

    \displaystyle  A \hspace{-1.1em} \int f(x)\;dx

    CB
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    Quote Originally Posted by zzzhhh View Post
    by the way, how to delete the attachment? I think there should be a "delete" button in the Manage Attachments window, but only "add" button is found.
    Go to Manage Attachments, put the cursor over the selected attachment and two little boxes will appear over the attachment, one containing a ? and the other containing an X. Click on the X to delete the attachment.
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    I used one of my favorite commands, but had to "fudge" it a bit . . .



    The command \rlap{x} prints the x over the next character.


    \rlap{A} \int

    . . \rlap{A}\int




    \displaystyle \rlap{A} \int

    . . \displaystyle \rlap{A}\int

    \displaystyle creates a larger integral
    . . but the A is not centered.




    \displaystyle \rlap{\;A} \int

    . . \displaystyle \rlap{\;A}\int

    \; inserts a space before the A.
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