Ok, one for you. If you already know the solution, do not spoil it. If you have found it out by yourself, you can post it via this one:
Optimath - Formeleditor f
Just have to click on "Erzeugen"(Create) and then you can right click the formula, it is an image. You can get its URL via properties and post that as an image here.
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The question is, what is the solution to:
Maybe an easy one, maybe not, Good luck tho !
