1300 Math Formulas

(Dana P.) #1
CHAPTER 2. ALGEBRA

142.


å

~ ~ ~


å~N~O ~å N O å

+ + +



K


K I=ïÜÉêÉ=~NI~OIKI~å>MK=

=



  1. fÑ=~ñ+Ä>M=~åÇ=~>MI=íÜÉå=
    ~


Ä


ñ>− K=

=



  1. fÑ=~ñ+Ä>M=~åÇ=~<MI=íÜÉå=
    ~


Ä


ñ<− K==

=




  1. ~ñO+Äñ+Å>M=


    =M~> =M~< =


    =


    a>M=




=


=


ñ<ñNI=ñ>ñO=

=


=


=


ñN<ñ<ñO=
=
=
=
a=M=

=


ñN<ñI=ñ>ñN=

=


=


ñ∈∅=
=
=
=
a<M=

=


=


−∞<ñ<∞=

=


=


=


ñ∈∅=
=
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