$$$\frac{\sqrt{2}}{4}\cdot \left\langle 2, -2, 0\right\rangle$$$
Syötteesi
Laske $$$\frac{\sqrt{2}}{4}\cdot \left\langle 2, -2, 0\right\rangle$$$.
Ratkaisu
Kerro vektorin jokainen koordinaatti skalaarilla:
$$${\color{SaddleBrown}\left(\frac{\sqrt{2}}{4}\right)}\cdot \left\langle 2, -2, 0\right\rangle = \left\langle {\color{SaddleBrown}\left(\frac{\sqrt{2}}{4}\right)}\cdot \left(2\right), {\color{SaddleBrown}\left(\frac{\sqrt{2}}{4}\right)}\cdot \left(-2\right), {\color{SaddleBrown}\left(\frac{\sqrt{2}}{4}\right)}\cdot \left(0\right)\right\rangle = \left\langle \frac{\sqrt{2}}{2}, - \frac{\sqrt{2}}{2}, 0\right\rangle$$$
Vastaus
$$$\frac{\sqrt{2}}{4}\cdot \left\langle 2, -2, 0\right\rangle = \left\langle \frac{\sqrt{2}}{2}, - \frac{\sqrt{2}}{2}, 0\right\rangle\approx \left\langle 0.707106781186548, -0.707106781186548, 0\right\rangle$$$A