$$$\frac{1}{\left|{t}\right|}\cdot \left\langle 0, t\right\rangle$$$
Syötteesi
Laske $$$\frac{1}{\left|{t}\right|}\cdot \left\langle 0, t\right\rangle$$$.
Ratkaisu
Kerro vektorin jokainen koordinaatti skalaarilla:
$$${\color{DarkCyan}\left(\frac{1}{\left|{t}\right|}\right)}\cdot \left\langle 0, t\right\rangle = \left\langle {\color{DarkCyan}\left(\frac{1}{\left|{t}\right|}\right)}\cdot \left(0\right), {\color{DarkCyan}\left(\frac{1}{\left|{t}\right|}\right)}\cdot \left(t\right)\right\rangle = \left\langle 0, \frac{t}{\left|{t}\right|}\right\rangle$$$
Vastaus
$$$\frac{1}{\left|{t}\right|}\cdot \left\langle 0, t\right\rangle = \left\langle 0, \frac{t}{\left|{t}\right|}\right\rangle$$$A
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