" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Δ=81-84= -3
Δ < 0 brak rozwiązań
f)3,4x²-5,7x+2,3=0 /*10
34x²+57x+23=0
Δ=3249-3128=121 √Δ=11
x₁= -1
x₂= -46/68= -23/34
g) ½x²-⅓x -1=0 /*6
3x²-2x-6=0
Δ=4+84=88 √Δ= 2√22
x₁= (2-2√22)/6= (1-√22)/3
x₂= (1+√22)/3
h) -0,9x²+√11 =0
-0,9x²=-√11
0,9x²=√11
x²= (10√11/9)
x²= √1100/9
x= ⁴√1100/3 ∨ x= - ⁴√1100/3
Proszę i liczę na naj :)