Math Problem Statement
实数x,y满足x^2-xy-6y^2=1,则x^2+xy+y^2的最小值为
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Forms
Optimization
Formulas
x^2 - xy - 6y^2 = 1
x^2 + xy + y^2
Theorems
Lagrange Multiplier Method
Quadratic Form Transformation
Suitable Grade Level
Grades 11-12
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