Rasjonale likninger
Posted: 06/04-2006 09:38
Page 1 of 1
Posted: 06/04-2006 10:12
(
Code: Select all
x 8 3
----- + ---------------------- =--------
x+2 x[sup]2[/sup]+2x x
x 8 3
----- + ---------------------- =--------
x+2 x(x+2) x
x*x + 8 3
------------------ =--------
x* (x+2) x
x*x + 8
------------------ =3
(x+2)
x[sup]2[/sup]+8=3*(x+2)
x[sup]2[/sup]+8=3x+6
x[sup]2[/sup]+8-3x-6=0
x[sup]2[/sup]-3x+2=0
(x-2) (x-1)=0
x=2 x=1
Re: Rasjonale likninger
Posted: 14/04-2006 20:43
Trond wrote: