" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
3x²-7x+3 >0
Δ=49-4*9 = 13
m.z.: x=(7-√13)/6 , x=(7+√13)/6
D=(-∞, (7-√13)/6 ) u ( (7+√13)/6, +∞)
log₁/₂ (3x² -7x +3) < log₁/₂ 1/4
3x² - 7x+3 > 1/4
3x² - 7x +11/4 >0
Δ= 49 - 4*3*11/4 = 49-33=16
m.z. x=(7-4)/6 = 1/2 , x=(7+4)/6=11/6
Odp. x∈(-∞ , 1/2) u (11/6, +∞)