Math Problem Statement
在三角ABC中,角A,B,C的对边分别是a,b,c,a平方+b平方+c平方=2根号3bcsinA,点D在平面ABC内,满足DC=2DB,a=6,则DA的最大值为多少
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Trigonometry
Vectors
Formulas
Cosine rule
Centroid formula
Triangle inequality
Theorems
Properties of centroid in triangles
Suitable Grade Level
High School
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