Question Statement:
If $u(x, y) = \frac{x^3 + y^3}{x + y}$, then according to Euler's theorem, $x \frac{\partial u}{\partial x} + y \frac{\partial u}{\partial y}$ equals:
Options:
- (A) $2 u$
- (B) $3 u$
- (C) $u$
- (D) $4 u$
Section 1: Engineering Mathematics
Subtopic: Homogeneous function – Euler's theorem on homogeneous functions
Options:
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