13.5-bo'lim: Differensiallar

Quyidagi funksiyalarning har birining differentsialini hisoblang.

1. \(z = {x^2}\sin \left( {6y} \right)\) Yechim
2. \(\displaystyle f\left( {x,y,z} \right) = \ln \left( {\frac{{x{y^2}}}{{{z^3}}}} \right)\) Yechim