Skip to content / Đến nội dung
ThichHocToan.com

SEAMO 2027 - Paper D - SET 08 - Self-study Question 6

SEAMO · SEAMO 2027 - Paper D - SET 08 - Self-study

Question 6

Given $abc=1$, find $\frac{a}{ab+a+1}+\frac{b}{bc+b+1}+\frac{c}{ac+c+1}$.
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5