" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
A∩B=(0,3)
A\B=(-2,0)
B\A=(3,5)
2. x=2
y=15
wstawiamy f(x)=₋2,5x -3
f(x)=₋2,5x2-3
f(x)=-8
3. liczymy delte =361
pierwiastek z delty=19
x=(9-19):4= -10:4 sprz
x=(9+19):4=28:4=7