Question

a³+b³= let find out ​

Answer 1

Answer:

a3 + b3 = (a +b) (a2 - ab + b2

Answer 2

Answer:

a^3+b^3

Step-by-step explanation:

(a+b)^3=a^3+b^3+3ab(a+b)

(a+b)^3-3ab(a+b)=a^3+b^3

(a+b)[(a+b)^2-3ab]=a^3+b^3

(a+b)[a^2+b^2+2ab-3ab]=a^3+b^3

(a+b) (a^2+b^2-ab)=a^3b^3

=a^3+b^3