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I am trying to get the latex source of some equations on a web page for which the showMathMenu MathJax option is set to false. When I select a rendered MathJax equation, copy it, and then paste it, what I get is both the latex source and the gibberish text (resembling the equation). Is there a way to get the latex source only? If so, how to do it and is there a chrome extension that does that for you (I checked but didn't find anything on the chrome extensions store)?

Edit

Here is an example https://imgur.com/a/wZjPyaq. If I copy and paste in a MarkDown editor I get the following:

It's still true that 24 cars per minute come down Euclid avenue and that twice as many cars exit off Borel boulevard (B=x_{1})(B=x 
1
​   
 ) as exit off Germain Street (G=x_{2}),(G=x 
2
​   
 ), but now the total that exit onto Weyl Way (W=x_{3})(W=x 
3
​   
 ) is three times as large as Borel and Germain combined.

If we encode this information in terms of equations, we find
\begin{cases} B + G + W = 24 \\ 2 B - G = 0 \\ 3 B + 3 G - W = 0 \end{cases} \mapsto \left( \begin{array}{ccc|c} 1 & 1 & 1 & 24 \\ \circ & \circ & \circ & \circ \\ 3 & 3 & -1 & 0 \end{array} \right).
⎩
⎪
⎨
⎪
⎧
​   
  
B+G+W=24
2B−G=0
3B+3G−W=0
​   
 ↦ 
⎝
⎛
​   
  
1
∘
3
​   
  
1
∘
3
​   
  
1
∘
−1
​   
  
24
∘
0
​   
  
⎠
⎞
​   
 .
Complete the augmented coefficient matrix above.
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  • $\begingroup$ Can you show a screen shot of what results what appears when you paste what you copied? $\endgroup$ – amWhy Nov 16 at 1:22
  • $\begingroup$ Yep, Please see the edits. Thanks. $\endgroup$ – PJORR Nov 16 at 1:35
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    $\begingroup$ Are you perhaps asking about a site other than Math.SE? $\endgroup$ – hardmath Nov 16 at 4:07
  • $\begingroup$ @hardmath yes it is not Math.SE. I’m asking about brilliant.org $\endgroup$ – PJORR Nov 16 at 4:30
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    $\begingroup$ As far as I can see, it is KateX and not MathJax $\endgroup$ – Anindya Prithvi Nov 16 at 12:07
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    $\begingroup$ You might get an answer on TeX SE tex.stackexchange.com/questions/68916/… $\endgroup$ – Anindya Prithvi Nov 16 at 12:14

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