$$$\frac{4}{25}\cdot \left\langle 0, 3, 4\right\rangle$$$
Syötteesi
Laske $$$\frac{4}{25}\cdot \left\langle 0, 3, 4\right\rangle$$$.
Ratkaisu
Kerro vektorin jokainen koordinaatti skalaarilla:
$$${\color{DeepPink}\left(\frac{4}{25}\right)}\cdot \left\langle 0, 3, 4\right\rangle = \left\langle {\color{DeepPink}\left(\frac{4}{25}\right)}\cdot \left(0\right), {\color{DeepPink}\left(\frac{4}{25}\right)}\cdot \left(3\right), {\color{DeepPink}\left(\frac{4}{25}\right)}\cdot \left(4\right)\right\rangle = \left\langle 0, \frac{12}{25}, \frac{16}{25}\right\rangle$$$
Vastaus
$$$\frac{4}{25}\cdot \left\langle 0, 3, 4\right\rangle = \left\langle 0, \frac{12}{25}, \frac{16}{25}\right\rangle = \left\langle 0, 0.48, 0.64\right\rangle$$$A
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