# Multivariate Calculus: multivariate calculus – #494

Question: If $$f(x,y)={{\left( 3x+2y \right)}^{5}}+{{e}^{5y}}+\ln \left( {{x}^{3}} \right)$$, find $${{f}_{x}}$$, $${{f}_{xx}}$$, $${{f}_{xy}}$$ and $${{f}_{y}}$$