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2 Definition af komplekse tal

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INDHOLD<br />

Indhold<br />

1 Talmængder ............................................................ 1<br />

2 <strong>Definition</strong> <strong>af</strong> <strong>komplekse</strong> <strong>tal</strong> ................................................ 2<br />

2.1 Addition <strong>af</strong> <strong>komplekse</strong> <strong>tal</strong> .............................................. 3<br />

2.2 Multiplikation og division .............................................. 3<br />

3 Rektangulær form ........................................................ 5<br />

4. Polær form ............................................................. 6<br />

5 Eksponentialfunktionen ................................................... 7<br />

6 Polynomier ............................................................. 10<br />

6.1<br />

n<br />

Den binome ligning z = a ......................................... 10<br />

6.2 Andengradsligningen .............................................. 12<br />

6.3 Polynomier <strong>af</strong> højere grad end 2 ....................................... 13<br />

6.4 Dekomponering <strong>af</strong> polynomiers brøker ................................. 14<br />

Opgaver .................................................................. 16<br />

Stikord ................................................................... 17<br />

iii

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