Ekstrema lokalne
: 15 kwie 2007, o 23:13
Znalezc ekstrema lokalne:
1. \(\displaystyle{ f(x,y)=ln(x^2 + y^2 + 1) - \frac{2x+y}{3}}\)
2. \(\displaystyle{ f(x,y)=x+y+ \sqrt{x^2 + y^2}}\)
1. \(\displaystyle{ f(x,y)=ln(x^2 + y^2 + 1) - \frac{2x+y}{3}}\)
2. \(\displaystyle{ f(x,y)=x+y+ \sqrt{x^2 + y^2}}\)