Svar Övning 3.2.9

SamverkanFlervariabelanalysLIU

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Nuvarande version (22 mars 2012 kl. 13.48) (redigera) (ogör)
 
Rad 1: Rad 1:
a) <math>\{(x,y)\in\mathbb{R}^2:\, 2x+y<4,\ x>0,\ y>0\}.</math>
a) <math>\{(x,y)\in\mathbb{R}^2:\, 2x+y<4,\ x>0,\ y>0\}.</math>
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b) <math>\{(x,y)\in\mathbb{R}^2:\, x^2+y^2<4,\ x<y,\ y>0\}</math>
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b) <math>\{(x,y)\in\mathbb{R}^2:\, x^2+y^2<4,\ x < y,\ y>0\}</math>
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c) <math>\{(x,y)\in\mathbb{R}^2:\, 2x+y<4,\ x+y>1\}.</math>

Nuvarande version

a) \displaystyle \{(x,y)\in\mathbb{R}^2:\, 2x+y<4,\ x>0,\ y>0\}.

b) \displaystyle \{(x,y)\in\mathbb{R}^2:\, x^2+y^2<4,\ x < y,\ y>0\}

c) \displaystyle \{(x,y)\in\mathbb{R}^2:\, 2x+y<4,\ x+y>1\}.