Page 15 - 1300 Math Formulas

CHAPTER 1. NUMBER SETS

1.2 Sets of Numbers

=
k~íìê~ä=åìãÄÉêëW=k=
tÜçäÉ=åìãÄÉêëW= k =
M
fåíÉÖÉêëW=w=
+
mçëáíáîÉ=áåíÉÖÉêëW=w=
−
kÉÖ~íáîÉ=áåíÉÖÉêëW=w=
o~íáçå~ä=åìãÄÉêëW=n=
oÉ~ä=åìãÄÉêëW=o==
`çãéäÉñ=åìãÄÉêëW=`==
=
=
26. k~íìê~ä=kìãÄÉêë
`çìåíáåÖ=åìãÄÉêëW k = { OIN I P I K }K=

27. tÜçäÉ=kìãÄÉêë
`çìåíáåÖ=åìãÄÉêë=~åÇ=òÉêçW= k = { NIM I P I O I K }K=
M
=
28. fåíÉÖÉêë
tÜçäÉ=åìãÄÉêë=~åÇ=íÜÉáê=çééçëáíÉë=~åÇ=òÉêçW=
+ k = { w = I P I K I=
} O I N
{
} I −
−
w = K I P − I O − N I=
−
w = w ∪ {} wM ∪ + = { KI − I P − I O − I P I O I N I M I N K }K=
=
29. o~íáçå~ä=kìãÄÉêë
oÉéÉ~íáåÖ=çê=íÉêãáå~íáåÖ=ÇÉÅáã~äëW==
 ~ 
n = ñ ñ ö = ~åÇ ~ ∈w ~åÇ Ä ∈w ~åÇ Ä ≠ M K=


 Ä 
=
30. fêê~íáçå~ä=kìãÄÉêë
kçåêÉéÉ~íáåÖ=~åÇ=åçåíÉêãáå~íáåÖ=ÇÉÅáã~äëK
=

5