The determinant 2 by 2 is the area of a parallelogram
The parallelogram determined by the vectors (a, b) and (c, d) is to area the absolute value of the determinant [math] \begin{vmatrix} a \ c \\ b \ d\end{vmatrix}[/math]
- 適合年齡
- 15 – 18
- 語言
- English (United Kingdom)