Skip to content / Đến nội dung
ThichHocToan.com

TIMO - 2019 - Grade 8 - Preliminary Round - Paper 3 Question 9

TIMO · TIMO - 2019 - Grade 8 - Preliminary Round - Paper 3

Question 9

Given $x+\frac{1}{x}=3$, find $x^3+\frac{1}{x^3}$.
  1. 24
  2. 15
  3. 18
  4. 27