Data:L11a155/Multivariable Alexander

Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle -v u^4+u^4-v^2 u^3+7 v u^3-5 u^3+5 v^2 u^2-13 v u^2+5 u^2-5 v^2 u+7 v u-u+v^2-v}