Data:K11a66/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 -t^4+6 t^3-15 t^2+24 t-27+24 t^{-1} -15 t^{-2} +6 t^{-3} - t^{-4} }