Розрахунок: CCjCpg - 1
A* B =
x1* x2+ y1* y2
x1* x2+ y1* y2
|
A* B = x1* x2+ y1* y2$$A\cdot B$$ = $$x1\cdot x2+y1\cdot y2$$
A =
$$A$$ = $$\frac{x1\cdot x2+y1\cdot y2}{B}$$
| ( x1* x2+ y1* y2) |
| / B |
A =
+
$$A$$ = $$\frac{x1\cdot x2}{B}+\frac{y1\cdot y2}{B}$$
| x1* x2 |
| / B |
| y1* y2 |
| / B |