2.2 Mängder

Övning 3.2.1

Skissa parablerna.

a) \displaystyle y=2(x+1)^2.

b) \displaystyle x=2y^2.

Övning 3.2.2

Skissa ellipserna

a) \displaystyle 4x^2+\frac{1}{9}y^2=1.

b) \displaystyle \frac{(x+1)^2}{9}+\frac{(y-2)^2}{4}=1.

c) \displaystyle x^2+y^2+2x-4y=1