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Svar 4.4:5

Förberedande kurs i matematik 1

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(Ny sida: {| width="100%" cellspacing="10px" |a) |width="50%" | <math>\left\{\eqalign{ x&=n\pi\cr x&=\displaystyle \frac{\pi}{4}+\displaystyle \frac{n\pi}{2} }\right.</math> |b) |width="50%" | <math...)
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Nuvarande version

a) xx=n=4+2nb) x=3n
c) xx=20+2n=30+3n