Rozwiąz równanie 4/x-1=2/x+1 (ułamki)
4 2 x≠-1, x≠1
------ = ---------
x-1 x+1
4(x+1)=2(x-1)
4x+4=2x-2
4x-2x=-2 -4
2x= -6
x=-3
4 / x-1 = 2/x+1
D: x-1 ≠ 0 U x+1 ≠ 0
x≠1 x ≠ -1
xE R\{-1,1}
mnozymy na krzyz:
4x+4 = 2x-2
2x = -6
xE D
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
4 2 x≠-1, x≠1
------ = ---------
x-1 x+1
4(x+1)=2(x-1)
4x+4=2x-2
4x-2x=-2 -4
2x= -6
x=-3
4 / x-1 = 2/x+1
D: x-1 ≠ 0 U x+1 ≠ 0
x≠1 x ≠ -1
xE R\{-1,1}
mnozymy na krzyz:
4(x+1)=2(x-1)
4x+4 = 2x-2
2x = -6
x=-3
xE D