Data:K15a77970/Alexander Polynomial

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 2 t^4-25 t^3+106 t^2-230 t+295-230 t^{-1} +106 t^{-2} -25 t^{-3} +2 t^{-4} }