WolframAlpha computational knowledge AI
D[e^(1-1/(1-(x-t)^2))*1/4(t-2)^2,{t,2}]-D[e^(1-1/(1-(x-t)^2))*1/4(t-2)^2,{x,2}]+4/(2-t)*D[e^(1-1/(1-(x-t)^2))*1/4(t-2)^2,{t,1}]+6/(2-t)^2*e^(1-1/(1-(x-t)^2))*1/4(2-t)^2