Positive for Every x
Difficulty: Hard · Topics: Algebra, Polynomials, Polynomial Inequalities
Har bir x da musbat
For how many integers k is
x^2+(k-2)x+k+1 0
true for every real x?
Nechta butun k da
x^2+(k-2)x+k+1 0
har bir haqiqiy x uchun to‘g‘ri bo‘ladi?