Computations with a given linear transformation
Let
- Find the matrix that represents
with respect to the standard basis for . - Find a basis for the kernel of
. - Determine the rank of
.
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Let $T:{\bf R}^3\to {\bf R}^3$ be the linear transformation defined by $T\left(\begin{bmatrix} x \\ y \\ z\end{bmatrix}\right) = \begin{bmatrix} x+y \\ 2z-x \\ y+2z\end{bmatrix}$.
\begin{enumerate}[label=\alph*)]
\item Find the matrix that represents $T$ with respect to the standard basis for ${\bf R}^3$.
\item Find a basis for the kernel of $T$.
\item Determine the rank of $T$.
\end{enumerate}