Skip to content / Đến nội dung
ThichHocToan.com

IKMC 2027 - Grades 7-8 - Self-study SET 9 - Thematic Batch 3 Question 5

IKMC · IKMC 2027 - Grades 7-8 - Self-study SET 9 - Thematic Batch 3

Question 5

Let $S=\frac{\sqrt2-1}{\sqrt2}+\frac{\sqrt3-\sqrt2}{\sqrt6}+\cdots+\frac{\sqrt9-\sqrt8}{\sqrt{72}}$. Find S.

Question illustration
  1. $\frac1{\sqrt2}$
  2. $\frac12$
  3. $\frac34$
  4. $\frac13$
  5. $\frac23$