I feel like the parentheses look strange here:


Do people think they should have the same heights or be like this?

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1 Answer 1


If you use \biggl and \biggr in place of \left and \right it looks great!


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The reason why the brackets look a different size is because a and s are x-height letters, whereas b and t are ascenders, so in the latter case the fraction is "taller" and consequently so are the brackets.

  • 6
    \biggl and \biggr are better... Commented May 14, 2018 at 14:39
  • @AndrewSwann It didn't seem to make a visible difference, but good practice nonetheless!
    – angrydust
    Commented May 14, 2018 at 14:42
  • See tex.stackexchange.com/q/1232/15925 for the differences... Commented May 14, 2018 at 17:40
  • 2
    And some ^{\!\!2} in the exponent. I would use probably \Bigl( .. \Bigr) so it kind of depends on taste.
    – Manuel
    Commented May 15, 2018 at 5:46

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