2.2 Exercises

From Förberedande kurs i matematik 1

Revision as of 12:50, 31 March 2008 by Lina (Talk | contribs)
Jump to: navigation, search
 

Template:Mall:Ej vald flik Template:Mall:Vald flik

 

Övning 2.2:1

Lös ekvationerna

a) \displaystyle x-2=-1 b) \displaystyle 2x+1=13
c) \displaystyle \displaystyle\frac{1}{3}x-1=x d) \displaystyle 5x+7=2x-6

Övning 2.2:2

Lös ekvationerna

a) \displaystyle \displaystyle\frac{5x}{6}-\displaystyle\frac{x+2}{9}=\displaystyle\frac{1}{2} b) \displaystyle \displaystyle\frac{8x+3}{7}-\displaystyle\frac{5x-7}{4}=2
c) \displaystyle (x+3)^2-(x-5)^2=6x+4 d) \displaystyle (x^2+4x+1)^2+3x^4-2x^2=(2x^2+2x+3)^2