Page 27 - DECO403_MATHEMATICS_FOR_ECONOMISTS_ENGLISH
P. 27
";@1 F5K=B; <5G 699B G<CKB =B H<9 :C@@CK=B; :=;IF9
2
Z Z Z Z
1 Z ( 1
Z Z Z
Z Z Z
Z Z Z
Z
2
D-9<81 >-C ?71@/4 ;2 2A:/@5;:
−
';8A@5;: GG=;B=B; 8=::9F9BH J5@I9 HC / 5B8 ;9HH=B; J5@I9 C: 0 :C@@CK=B; H56@9 =G DF9D5F98
-56@9 :CF :IB7H=CB 0
/
/
0
F5K=B; <5G 699B G<CKB =B H<9 :C@@CK=B; :=;IF9
2
$
%
&
$
$ & %
%
&
1 ( 1
Z
$
%
&
2
#* , $ '' #" )" * &' (,