$$$\left\langle 5, 1, 7\right\rangle - \left\langle \frac{10}{3}, \frac{10}{3}, \frac{20}{3}\right\rangle$$$
사용자 입력
$$$\left\langle 5, 1, 7\right\rangle - \left\langle \frac{10}{3}, \frac{10}{3}, \frac{20}{3}\right\rangle$$$을(를) 계산하세요.
풀이
$$$\left\langle {\color{DarkBlue}5}, {\color{Violet}1}, {\color{OrangeRed}7}\right\rangle - \left\langle {\color{DarkBlue}\frac{10}{3}}, {\color{Violet}\frac{10}{3}}, {\color{OrangeRed}\frac{20}{3}}\right\rangle = \left\langle {\color{DarkBlue}\left(5\right)} - {\color{DarkBlue}\left(\frac{10}{3}\right)}, {\color{Violet}\left(1\right)} - {\color{Violet}\left(\frac{10}{3}\right)}, {\color{OrangeRed}\left(7\right)} - {\color{OrangeRed}\left(\frac{20}{3}\right)}\right\rangle = \left\langle \frac{5}{3}, - \frac{7}{3}, \frac{1}{3}\right\rangle$$$
정답
$$$\left\langle 5, 1, 7\right\rangle - \left\langle \frac{10}{3}, \frac{10}{3}, \frac{20}{3}\right\rangle = \left\langle \frac{5}{3}, - \frac{7}{3}, \frac{1}{3}\right\rangle\approx \left\langle 1.666666666666667, -2.333333333333333, 0.333333333333333\right\rangle$$$A