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$$$\frac{1}{\left|{t}\right|}\cdot \left\langle t, 0\right\rangle$$$
사용자 입력
$$$\frac{1}{\left|{t}\right|}\cdot \left\langle t, 0\right\rangle$$$을(를) 계산하세요.
풀이
벡터의 각 성분에 스칼라를 곱하십시오:
$$${\color{Blue}\left(\frac{1}{\left|{t}\right|}\right)}\cdot \left\langle t, 0\right\rangle = \left\langle {\color{Blue}\left(\frac{1}{\left|{t}\right|}\right)}\cdot \left(t\right), {\color{Blue}\left(\frac{1}{\left|{t}\right|}\right)}\cdot \left(0\right)\right\rangle = \left\langle \frac{t}{\left|{t}\right|}, 0\right\rangle$$$
정답
$$$\frac{1}{\left|{t}\right|}\cdot \left\langle t, 0\right\rangle = \left\langle \frac{t}{\left|{t}\right|}, 0\right\rangle$$$A
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