For the following matrices verify the associativity of matrix multi...

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For the following matrices verify the associativity of matrix multiplication i.e. (AB) \( C=A(B C) \).
\[
A=\left[\begin{array}{lll}
4 & 2 & 3 \\
1 & 1 & 2 \\
3 & 0 & 1
\end{array}\right], \quad B=\left[\begin{array}{rrr}
1 & -1 & 1 \\
0 & 1 & 2 \\
2 & -1 & 1
\end{array}\right] \text { and } C=\left[\begin{array}{rrr}
1 & 2 & -1 \\
3 & 0 & 1 \\
0 & 0 & 1
\end{array}\right]
\]
\( \mathrm{P} \)
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