Test Here

From Mr. V Wiki Math
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Use this page to test commands. Do not delete this line.

Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://en.wikipedia.org/api/rest_v1/":): {\displaystyle f(x)=\frac{1}{x}}

David