Math Problem Statement
Trong không gian Oxyz, biết #»a = 5 #»i + 7 #»j − 3 #»k . Hoành độ của #»a bằng bao nhiêu?
Solution
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Math Problem Analysis
Mathematical Concepts
Vectors
Coordinate Geometry
Formulas
Vector representation in Cartesian coordinates
Theorems
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Suitable Grade Level
High School