Data:K15a76755/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^6+7 t^5-25 t^4+58 t^3-98 t^2+128 t-137+128 t^{-1} -98 t^{-2} +58 t^{-3} -25 t^{-4} +7 t^{-5} - t^{-6} }