Data:K12a1192/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+11 t^3-28 t^2+46 t-53+46 t^{-1} -28 t^{-2} +11 t^{-3} -2 t^{-4} }