Testing pandoc workflows to add to pages site in place of jekyll
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$$ \int_5^7 {\frac{\sin(x^2)}{\cos^2(2x)}} $$
Given the following equation $$f(x)=3x+7\left(\frac{x!}{\cos {x^2}}\right)$$ tell whether $x=-7$ is a root of $f(x)$
#include <stdio.h>
int main(void) {
return 0;
}
Theend