Lernset 8

• a

  $\overrightarrow{r} = 2 \bullet \left( \begin{array}{r} 1 \\ 2 \\ 3 \end{array} \right) + 2 \bullet \left( \begin{array}{r} 1,5 \\ 3 \\ 4 \end{array} \right)$

• b

  $\overrightarrow{r} = 3 \bullet \left( \begin{array}{r} 1 \\ 3 \\ 4 \end{array} \right) + \frac{1}{2} \bullet \left( \begin{array}{r} 2 \\ 5 \\ 6 \end{array} \right)$

• c

  $\overrightarrow{r} = \frac{1}{3} \bullet \left( \begin{array}{r} 21 \\ 21 \\ 21 \end{array} \right) + \frac{1}{4} \bullet \left( \begin{array}{r} - 8 \\ 12 \\ 32 \end{array} \right)$

• d

  $\overrightarrow{r} = \left( \begin{array}{r} 1 \\ 5 \\ 12 \end{array} \right) + \left( \begin{array}{r} 4 \\ 5 \\ 4 \end{array} \right)$