Vector Spaces

Abstract vector spaces over a field, subspaces, bases, dimension, coordinates, and the four fundamental subspaces.0/12 mastered

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For

A=\begin{pmatrix}2&0\\0&3\end{pmatrix}

and

\mathbf{x}=(4,1)

, what is the first component of

A\mathbf{x}

Your answer

#3836