Matematik A, hhx, den 15. august 2011 (pdf)
Matematik A, hhx, den 15. august 2011 (pdf)
Matematik A, hhx, den 15. august 2011 (pdf)
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Bilag 1 til opgave 6 (delprøven med hjælpemidler).<br />
Skole:<br />
Hold:<br />
Eksamensnr. Navn:<br />
2 x + 10 ⋅ ln( x)<br />
= 0 x > 0 Ligningen løses for x > 0,<br />
da ln(x ) kun er defineret for<br />
positive værdier.<br />
2 x + 10 = 0 ∨ ln( x)<br />
= 0 ___________________________________________<br />
2 x + 10 = 0 ∨ x = 1 ___________________________________________<br />
x = −5<br />
∨ x = 1<br />
___________________________________________<br />
L = { 1}<br />
___________________________________________
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