Sunday, November 27, 2011

Tugas1 Matematika Ekonomi&Binis


1.      
        

2.      


3.      

a.      

b.     

= 0 + 12 + 40 – 18 – 24
= 10

c.      
 =  = 0.3 – 3.2 = -6             =>         
  =  = 4.3 – 3.2 = 6             =>         
 =  = 4.2 – 0.2 = 8              =>         
 =  = 2.3 – 5.2 = -4             =>         
 =  = 3.3 – 5.2 = -1             =>         
 =  = 3.2 – 2.2 = 2              =>       
 =  = 2.3 – 5.0 = 6              =>         
 =  = 3.3 – 5.4 = -11           =>         
 =  = 3.0 – 2.4 = -6             =>         

d.      Adjoint C =

e.     Invers  Adj C

=   

=

f.         = I

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