Math Problem Statement
(i) u = arctan((x^2 + y^2)/(x + y))
Solution
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Math Problem Analysis
Mathematical Concepts
Multivariable Calculus
Partial Derivatives
Trigonometric Functions
Chain Rule
Formulas
u = arctan((x^2 + y^2)/(x + y))
Partial derivatives: ∂u/∂x, ∂u/∂y
Gradient: ∇u = (∂u/∂x, ∂u/∂y)
Theorems
Chain Rule for differentiation
Gradient theorem in multivariable calculus
Suitable Grade Level
College Level (Calculus II/III)
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