Page 149 - DECO403_MATHEMATICS_FOR_ECONOMISTS_ENGLISH

:>0 AAC;3 7A / 4C<1B7=< @/E7<5 =4 B63 4C<1B7=<
7A 57D3< B B67A 1C@D3 4=C@ >=7<BA /<2 /@3
B63@3 /B E6716 B=C167<5 :7<3 7A >/@/::3: B= /F7A
"=E B63 D/:C3 =4 7A ;/F7;C; /B /<2 /<2 E63<
/<2 7<1@3/A3A B63 D/:C3 =4 4C<1B7=< AB=>A 7<1@3/A7<5
(63@34=@3 /B /<2 B63 D/:C3 =4 4C<1B7=< 7A 1/::32
!/F7;C; '7;7:/@:G /B /<2 B63 D/:C3 =4 4C<1B7=<
AB=>A 7<1@3/A7<5 D7H 7<1@3/A7<5 4C@B63@ AB/@BA
7<1@3/A7<5 (63@34=@3 /B /<2 E6/B3D3@ D/:C3
=0B/7<A B63G /@3 1/::32 !7<7;C;
,B48,
AAC;3 B6/B 4=@ >=7<B :=1/B32 /B B63 1C@D3

"=E /B B63 :34B A723 =4 >=7<B 4@=; A;/:: <37560=@6==2 B/93 /<G >=7<B 4=@ E6716 K

63@3 7A A;/:: (63@34=@3
K 0CB K

'7;7:/@:G /B B63 :34B A723 =4 >=7<B 4@=; A;/:: <37560=@6==2 B/93 /<G >=7<B 4=@ E6716

(63@34=@3 /B

"=E A7<13 7A A;/::3@ B6/< D7H B63@34=@3 K =@ K

<2 A7<13 7A A;/::3@ B6/< D7H B63@34=@3 =@

(6CA /B >=7<B 4=@ E6716 B63 D/:C3 =4 D7H /B 3/16 >=7<B =< @756B =@ :34B =4
1=@@3A>=<27<5 D/:C3 =4 4 F 7A 5@3/B3@ B6/< K =@

01494>4:9 :1 ,B48, ,9/ 4948,

,B48,
AAC;3 7A /<G 57D3< 4C<1B7=< E63@3 7A /<G 57D3< >=7<B
AAC;3 /B B63 ' =4 >=7<B 1:=A3AB >=7<B 7A K /<2 /B B63 & ' =4 >=7<B 1:=A3AB >=7<B
7A E63@3 6 7A ;7<7;C; <C;03@
B >=7<B B63 D/:C3 =4
B >=7<B F K B63 D/:C3 =4 K
<2 /B >=7<B B63 D/:C3 =4
B >=7<B B63 D/:C3 =4 4C<1B7=< =4 7A 1/::32 ;/F7;C; 74
K 6
D7H /B B63 D/:C3 =4 =< B63 1:=A3AB >=7<B /B :34B /<2 @756B E7:: 03 ;/F7;C; 4@= /<2
4 / 6
B /<G 4C<1B7=< F 7A 1/::32 ;/F7;C; E63@3 7A 5@3/B3@ B6/B /:: B63 57D3< D/:C3A E6716 7<
B63 A6=@B <37560=@6==2 =4 3/16 D/:C3 =4 1/< /113>B
4948,
AAC;3 B6/B 4=@ >=7<B /B B63 1C@D3

!( + "$! %% ! ' ( $% &+