This is LaTeX code:

[latex]
T(1,0,0,0)=1+2\cdot t+0\cdot t^{2}+3\cdot t^{3}\\ T(0,1,0,0)=2+1\cdot t+3\cdot t^{2}+0\cdot t^{3}\\T(0,0,1,0)=0+1\cdot t-1\cdot t^{2}+2\cdot t^{3}\\T(0,0,0,1)=0-1\cdot t-1\cdot t^{2}-1\cdot t^{3}
[/latex]