Skip to content / Đến nội dung
ThichHocToan.com

VTMO 2014 — Grade 8 — semifinal Question 2

VTMO · VTMO 2014 — Grade 8 — semifinal

Question 2

Simplify $\left(a - b\right) \left(a^{2} + b^{2}\right) \left(a + b\right)$.
  1. a $^{4} + b^{4}$
  2. a $^{3} + b^{3}$
  3. a $^{4} - b^{4}$
  4. a $^{3} - b^{3}$
  5. a $^{4} - b^{3}$