" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
24x^3-14x^2+2x=0
delta= b^2-4ac
delta= 14^2-4*24*2=196-96=100
pierwiastek z delty= 10
x_1= -b-pierw.z delty/ 2a
x_1= -14-10/48=-24/48=-1/2
x_2= -b+pierw. z delty/2a
x_2= -14+10/48= -4/48=-1/12
b) na krzyż:
-2x+7*1=3*1
-2x+7=3
-2x=-4 /: (-2)
x=2
x=0 lub x= 1/4 lub x=1/3
b) 3=-2x+7
2x=4
x=2