Skip to content / Đến nội dung
ThichHocToan.com

IKMC 2015 - Grades 11-12 - Self-study Question 2

IKMC · IKMC 2015 - Grades 11-12 - Self-study

Question 2

Calculate $(a-b)^3+(b-a)^3$.
  1. $0$
  2. $2(a-b)^3$
  3. $2a^3-2b^3$
  4. $2a^3+2b^3$
  5. $2a^3+6a^2b$ $+6ab^2+2b^3$