Math Problem Statement
if tan u = (x^3+y^3)/x-y prove that x^2d^2u/dx + 2xyd^2u/dxdy + y^2d^2u/dy^2 = 2cos(3u)sinu
Solution
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Implicit Differentiation
Partial Derivatives
Formulas
Quotient Rule
Trigonometric Identities
Theorems
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Suitable Grade Level
College Level
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