Question

Define los siguietes productos notables

1. (a+b)^2=

2. (a-b) ^2=

3. ( a+b) ^3=

4. (a-b) ^3=

5. a ^3 + b ^3=

6. a ^3 + b ^3=

7. (a+b) (a-b)=

Answer 1

1. a^2+2ab+b^2
2. a^2-2ab+b^2
3. a^3+3a^2b+3ab^2+b^3
4. a^3-3a^2b+3ab^2-b^3
5. (a + b)(a2 - ab + b2)
6. (a - b)(a2 +ab + b2)
7. a^2+b^2