Answer

问题及解答

求下列多项式的根

Posted by haifeng on 2023-08-06 17:33:26 last update 2023-08-06 17:35:49 | Edit | Answers (0)

(1)

\[
f(x)=\begin{vmatrix}
1 & 1 & 3 & 3\\
1 & 2-x^2 & 4 & 4\\
2 & 2 & 5 & 9-x^2\\
3 & 3 & 6 & 6
\end{vmatrix}
\]

 

 

 

(2)

\[
g(x)=\begin{vmatrix}
1 & 1 & 1 & \cdots & 1 & 1\\
1 & 1-x & 1 & \cdots & 1 & 1\\
​1 & 1 & 2-x & \cdots & 1 & 1\\
​\vdots & \vdots & \vdots &   & \vdots & \vdots\\
​1 & 1 & 1 & \cdots & 8-x & 1\\
​1 & 1 & 1 & \cdots & 1 & 9-x\\
\end{vmatrix}
\]