Question

What is a^3-b^3.please get it fast

Answer 1

Step-by-step explanation:

As we know

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

But here ,

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

OR

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] Ans.