" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(x - √5)(x + √5)(x - 5) = 0
x₁ = √5; x₂ = -√5; x₃ = 5
x₁ + x₂ + x₃ = √5 - √5 + 5 = 5
Odpowiedź C