Wiki-Quellcode von Lösung Vektor
Zuletzt geändert von Frauke Beckstette am 2024/02/06 09:37
Zeige letzte Bearbeiter
| author | version | line-number | content |
|---|---|---|---|
| 1 | |||
| 2 | |||
| 3 | Parallel zur 2. Winkelhalbierenden bedeutet, {{formula}} a_1 {{/formula}} und {{formula}} a_2 {{/formula}} haben denselben Wert mit unterschiedlichem Vorzeichen, also {{formula}}\vec{a}= \left(\begin{array}{c} a \\ -a \end{array}\right){{/formula}} | ||
| 4 | |||
| 5 | Also: {{formula}}\left(\begin{array}{c} 3 \\ 1 \end{array}\right) + \left(\begin{array}{c} a \\ -a \end{array}\right) = \left(\begin{array}{c} 0,5 \\ d \end{array}\right){{/formula}} | ||
| 6 | |||
| 7 | I. {{formula}} 3+a=0,5{{/formula}} | ||
| 8 | II. {{formula}} 1-a=d {{/formula}} | ||
| 9 | |||
| 10 | {{formula}} \Rightarrow d=3,5 {{/formula}} |