6.5.10 Let $L: \mathbb{R}^3 \to \mathbb{R}^3$ be a linear transformation whose representation with respect to the natural basis for $\mathbb{R}^3$ is $A$. Let $P = \begin{bmatrix} 0 & 1 & 1 \\ 1 & 0 & 1 \\ 1 & 1 & 0 \end{bmatrix}$. Find a basis $T$ for $\mathbb{R}^3$ with respect to which $B = P^{-1}AP$ represents $L$. (Hint: See the solution of Example 2.)
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