Question 42631
{{{((t+2)^2(t^2+2t+1))/((t+2)(t^2+2t+2))}}}
{{{((t+2)(t+2)(t+1)(t+1))/((t+2)(t^2+2t+2))}}}
{{{((t+2)(t+1)(t+1))/(t^2+2t+2)}}}