Data:K15a76472/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 -6 t^4+34 t^3-90 t^2+150 t-175+150 t^{-1} -90 t^{-2} +34 t^{-3} -6 t^{-4} }