engineering recuitment GATE ME 2023-24 Test Series Engineering Mathematics Calculus Differentiability
If \(u = \ln \left( {\frac{{{x^3} + {y^3}}}{{x + y}}} \right)\), then find the value of \(x\frac{{\partial u}}{{\partial x}} + y\frac{{\partial u}}{{\partial y}}\) ________?
Enter numerical value using the virtual keypad. Round off where necessary.