I can write the equations using the \begin{equation} y=x^2+x \end{equation} But how can I type the integral symbol in Tex? For example, for I=integral of something dx?
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\intseetexdoc symbols– David Carlisle Nov 23 '21 at 08:38amsmathany tutorial that showed you gather should have shown amsmath being used – David Carlisle Nov 23 '21 at 08:48