Skip to content / Đến nội dung
ThichHocToan.com

IKMC 2016 - Grades 11-12 - Self-study Question 21

IKMC · IKMC 2016 - Grades 11-12 - Self-study

Question 21

How many real solutions does $(x^2-4x+5)^{x^2+x-30}=1$ have?
  1. 1
  2. 2
  3. 3
  4. 4
  5. Infinitely many