Math Problem Statement
3,设f(x,y)为连续可微函数,且满足:f_x' (x,x+y) =x^2+y^2+2 xy-2 x,f(y,y) =-y^2 .(1)求f(x,y)的表达式.
Solution
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Math Problem Analysis
Mathematical Concepts
Partial differentiation
Integral calculus
Formulas
Partial derivative
Integral formula
Theorems
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Suitable Grade Level
Advanced undergraduate level
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