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Trong mặt phẳng tọa độ Oxy , cho vectơ a = ( -3;4) . Độ dài vectơ a bằng bao nhiêu
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Trong mặt phẳng tọa độ Oxy , cho vectơ a = ( -3;4) . Độ dài vectơ a bằng bao nhiêu

User Jkebinger
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2 Answers

2 votes

Answer:

5

Explanation:

User JeffJ
by
7.0k points
2 votes

Answer:

Explanation:

Độ dài vecto a= căn bậc hai của (-3)*(-3)+4*4=5

User PFranchise
by
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