$$$\frac{4}{25}\cdot \left\langle 0, 3, 4\right\rangle$$$
Laskin kertoo vektorin $$$\left\langle 0, 3, 4\right\rangle$$$ skalaarilla $$$\frac{4}{25}$$$ ja näyttää vaiheet.
Syötteesi
Laske $$$\frac{4}{25}\cdot \left\langle 0, 3, 4\right\rangle$$$.
Ratkaisu
Kerro vektorin jokainen koordinaatti skalaarilla:
$$${\color{Blue}\left(\frac{4}{25}\right)}\cdot \left\langle 0, 3, 4\right\rangle = \left\langle {\color{Blue}\left(\frac{4}{25}\right)}\cdot \left(0\right), {\color{Blue}\left(\frac{4}{25}\right)}\cdot \left(3\right), {\color{Blue}\left(\frac{4}{25}\right)}\cdot \left(4\right)\right\rangle = \left\langle 0, \frac{12}{25}, \frac{16}{25}\right\rangle$$$
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