From $ b = -2 $, substitute into 2: $ c = 6 + 2a $. Let $ a $ be a free variable. Choosing $ a = 0 $, then $ c = 6 $. Thus, $ \mathbf{v} = \begin{pmatrix} 0 \\ -2 \\ 6 \end{pmatrix} $. Final answer: $ \boxed{\begin{pmatrix} 0 \\ -2 \\ 6 \end{pmatrix}} $.**Question 1:

Sun, 10 May 2026 08:38:35 +0000

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