Consider the matrices below.
\begin{pmatrix} x^2+5 & 3x+7 & -4x+9\\ x^3+2x+1 & 4x+8 & -7x-2\\ 9x+7 & -3x+6 & 11x-3 \end{pmatrix}
\begin{pmatrix} 2x-9 & x^2-2x+4 & -7x-9\\ 5 & 3x & 4x^2-8x+2\\ -2x^2+1 & 11 & -7x \end{pmatrix}
\text{C=A\cdot B}
\text{D=C}^T
\text{F=B\cdot A}
\text{P=B}^5
Use the matrices above to answer the questions below.
1. What is the appropriate value of $n$ that will make the expression $Z(x)^{n \times n}$ true? Blank 1
2. What is the coefficient of the degree 2 term for $C_{2,3} \in Z(x)$ Blank 2
3. What is the coefficient of the degree 2 term for $D_{2,3} \in Z(x)$ Blank 3
4. What is the coefficient of the degree 2 term for $F_{2,3} \in Z(x)$ Blank 4
5. What is the coefficient of the degree 2 term for $P_{2,3} \in Z(x)$ Blank 5
Questions Filter (2) \textvisiblespace