![Verify x3+y3=(x+y)(x2-xy+y2) | Verify x3-y3=(x-y)(x2+xy+y2) | Class 9th Exercise 2.5 Question 9 - YouTube Verify x3+y3=(x+y)(x2-xy+y2) | Verify x3-y3=(x-y)(x2+xy+y2) | Class 9th Exercise 2.5 Question 9 - YouTube](https://i.ytimg.com/vi/GYRF7Sn6TWI/maxresdefault.jpg)
Verify x3+y3=(x+y)(x2-xy+y2) | Verify x3-y3=(x-y)(x2+xy+y2) | Class 9th Exercise 2.5 Question 9 - YouTube
![SOLVED: Find the relative maximum and minimum value of f(x,y) = x3 + y3 – 3xy Find the relative maximum and minimum value of f(x, y) = xy – x3 – y2 SOLVED: Find the relative maximum and minimum value of f(x,y) = x3 + y3 – 3xy Find the relative maximum and minimum value of f(x, y) = xy – x3 – y2](https://cdn.numerade.com/ask_previews/71f3272b-d939-4571-82dc-45c0a55cf816_large.jpg)
SOLVED: Find the relative maximum and minimum value of f(x,y) = x3 + y3 – 3xy Find the relative maximum and minimum value of f(x, y) = xy – x3 – y2
![problem solving - Algebra manipulation: given $x+y = xy = 3$, evaluate $x^3 + y^3$ - Mathematics Stack Exchange problem solving - Algebra manipulation: given $x+y = xy = 3$, evaluate $x^3 + y^3$ - Mathematics Stack Exchange](https://i.stack.imgur.com/x2X0l.jpg)