Question

Denote by a, b and e the column vectors

equation

Calculate

equation

18 Mar 2025
Answer :
Word Count : 207
Let's manually solve the given vector operations step by step. ### Given vectors: \[ \mathbf{a} = \begin{pmatrix}1\\2\\3\end{pmatrix},\quad \mathbf{b} = \begin{pmatrix}-2\\1\\-3\end{pmatrix},\quad \mathbf{c} = \begin{pmatrix}-2\\-1\\1\end{pmatrix} \] --- ### 1. Compute \( 2\mathbf{a} - 5\mathbf{b} \) First, multiply \(\mathbf{a}\) by 2: \[ 2\mathbf{a} = ______ ___ __________ _____ _______ _____ ________ ________ ______ _____.
______ ___ __________ __________ ____ _________ ___ ___.
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