emrepasa18
New member
- Joined
- May 16, 2020
- Messages
- 2
Hey guys,before asking thanks for the replies and help.The question goes ''Find the absolute maximum and minimum values of the function f(x,y)=2(x² + y² -1)² +x² - y² on the unit disk D={(x,y):x² + y² ≤ 1}.