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Fasit

Trond wrote:

Fasit

Fellesnevneren er 2*x[sup]2[/sup]

[tex]\frac{2-x}{x^2} - \frac{x-2}{2x} + \frac{1}{2} = \frac{(2-x)2}{x^2*2} - \frac{(x-2)x}{2x*x} + \frac{1*x^2}{2x^2} = \frac{4-2x-x^2+2x+x^2}{2x^2} = \frac{4}{2x^2} = \frac{2}{x^2}[/tex]