SFERA
S : x2 + y2 +z2 = R2 S = Si U S-2
Si: z= y/R2 — x2 — y2\ (x,y) € D
S2 : z= -y/R2 -x2- y2\ (x,y) € D
jy .} x='° ■ / y = 0
" [ y2 + z2 = R2 *’ [ x2 + z2 = R2
Ka ■ | 2 ° 2 n2 Ki" okręgi D : + y2 - R2
I a:2 + y2 = R2
ELIPSOIDA TRÓJ OSIOWA
5:
Kx
1
Ai - elipsy
n ■ < i
U • a2 + fe2 — 1