Math Problem Statement
変数変換を用いて、t=x2+y2t=x2+y2 と置き換えると、 g(t)=sin(t)+tg(t)=sin(t)+t
Solution
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Math Problem Analysis
Mathematical Concepts
Partial differentiation
Hessian matrix
Critical points
Formulas
Partial derivative formulas
Hessian determinant formula
Theorems
Second derivative test
Suitable Grade Level
Advanced undergraduate level
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