How to typeset the following math formula?

I just can't do that beautifully

  • 1
    Welcome to the site TeX.SE. The tag latex3 is not very correct.
    – Sebastiano
    Oct 27, 2018 at 9:58
  • 6
    Note this is Q&A site, not a please do this for me service. What do you have so far.
    – daleif
    Oct 27, 2018 at 10:50
  • 1
    Search for \rcases and \left\} in latex
    – nidhin
    Oct 27, 2018 at 10:54
  • 2
    Can you please choose a title that describes your problem? In its current form it won't help any future users of this site who might have the same problem as you. Oct 27, 2018 at 14:06

1 Answer 1


You should try



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