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Math Help - Few q

  1. #1
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    Few q

    How do I align the equal signs for working out I have in latex?

    With the intergral \int how do I put number at the top and bottom? And how do i also do this for the large brackets [...] ?
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  2. #2
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    Quote Originally Posted by foreg0ne View Post
    How do I align the equal signs for working out I have in latex?

    With the intergral \int how do I put number at the top and bottom? And how do i also do this for the large brackets [...] ?

    \int_{a}^{b}f(x)dx = F(x) \bigg|_{a}^{b}=F(b)-F(a)

    <br />
\int_{a}^{b}f(x)dx= F(x) \bigg|_{a}^{b}=F(b)-F(a)<br />

    Large brackets

    \left[ \left( \frac{1}{2}\right) \right]

    \left[ \left(\frac{1}{2} \right) \right]
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  3. #3
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    so is it possible to align equal signs?

    also is there a keybord shortcut to putting the [tex] wrap on a highlighted text?
    (sort of like how ctrl+b to embolden the selected text)
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  4. #4
    Rhymes with Orange Chris L T521's Avatar
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    Quote Originally Posted by foreg0ne View Post
    How do I align the equal signs for working out I have in latex??
    Use the \begin{aligned}...\end{aligned} tags.

    I.e.

    [tex]\begin{aligned}\int_0^1x^2\,dx & = \left.\left[\frac{x^3}{3}\right]\right|_0^1\\ & = \frac{(1)^3}{3}-\frac{(0)^3}{3}\\ & = \frac{1}{3}\end{aligned}[/tex] give you

    \begin{aligned}\int_0^1x^2\,dx & = \left.\left[\frac{x^3}{3}\right]\right|_0^1\\ & = \frac{(1)^3}{3}-\frac{(0)^3}{3}\\ & = \frac{1}{3}\end{aligned}
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  5. #5
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    Quote Originally Posted by foreg0ne View Post
    [...]
    also is there a keybord shortcut to putting the [tex] wrap on a highlighted text? (sort of like how ctrl+b is used to embolden the selected text)
    ?
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  6. #6
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    Quote Originally Posted by foreg0ne View Post
    is there a keyboard shortcut to putting the [tex] wrap on a highlighted text?
    (sort of like how ctrl+b to embolden the selected text)
    Not a keyboard shortcut, but in the menu bar above the panel where you input text there is a \Sigma symbol. Click on that to wrap [tex] around highlighted text.
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