Svar 4.3.3
Förberedande kurs i matematik
(Skillnad mellan versioner)
(Ny sida: a) \frac{x\cos x -\sin x}{x^2}.</math> b) <math> 3\sin^2 x \cos x + 3(\cos^2 x-\sin^2 x) </math>) |
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Rad 1: | Rad 1: | ||
- | a) \frac{x\cos x -\sin x}{x^2}.</math> b) <math> 3\sin^2 x \cos x + 3(\cos^2 x-\sin^2 x) </math> | + | a)<math> \frac{x\cos x -\sin x}{x^2}.</math> b) <math> 3\sin^2 x \cos x + 3(\cos^2 x-\sin^2 x) </math> |
Nuvarande version
a)\displaystyle \frac{x\cos x -\sin x}{x^2}. b) \displaystyle 3\sin^2 x \cos x + 3(\cos^2 x-\sin^2 x)