A Root Defined Everywhere
Difficulty: Hard · Topics: Algebra, Functions, Domain and Range
Hamma joyda aniqlangan ildiz
Find the smallest real number a for which
f(x)=√ax^2-4x+a
is defined for every real x.
Quyidagi funksiya har bir haqiqiy x uchun aniqlangan bo‘ladigan eng kichik a haqiqiy sonni toping:
f(x)=√ax^2-4x+a