" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
5t² + 9t - 2 = 0 Δ=81 + 40 = 121, √Δ = 11,
t1 = -9 -11/ 10 = -2, t2 = -9 +11 / 10 = 1/5 a zatem:
x² = -2 (brak rozw. w zbiorze R) lub x² = 1/5 ---> x = -√5/5 lub x = √5/5
GOTOWE!!!