Table 2 The coefficients ${\mathit{C}}_{\mathit{i}}$ and ${\mathit{D}}_{\mathit{i}}$ for $\mathbf{-}\mathbf{5}\mathbf{\le }\mathit{i}\mathbf{\le }\mathbf{5}$

$\begin{array}{l}-4{(a-b+6)}^2+2b(a-b+6)+b^2\\ +22(a-b+6)-13b-20\end{array}$

$\begin{array}{l}4{(a-b+6)}^2+2b(a-b+6)-b^2\\ -34(a-b+6)-b+62\end{array}$

2(a − b + 3)(a − b + 1)−(b − 1)(b − 4)

−4(a − b + 2)

(3b − 2a − 5)

(2a − b + 1)

(a − b + 1)

−2

−1

1

1

0

1

1

(a − b − 1)

2

(2a − 3b − 4)

(2a − b − 2)

2(a − b − 3)(a − b − 1)−b(b + 3)

4(a − b − 2)

$\begin{array}{l}4{(a-b-4)}^2-2b{(a-b-4)}^2-b^2\\ +8(a-b-4)-7b\end{array}$

$\begin{array}{l}4{(a-b-4)}^2+2b(a-b-4)-b^2\\ +16(a-b-4)-b+12\end{array}$