Page 21 - DECO403_MATHEMATICS_FOR_ECONOMISTS_ENGLISH

";@1 ": / / 5B8 / / H<9B :=B8 CIH H<9 J5@I9 :C@@CK=B;
5 Z 6 Z Z Z

$ $ $
7 % 8 % %

& & &
": O Z Q H<9B 9LD@5=B =: :C@@CK=B; F9@5H=CBG 5F9 :IB7H=CB C: =B 9G7F=69 H<9
F95GCB 5@GC
5 O Z Z Z Q

6 O Z Z Q

/ /
#
": K<9F9 / ! / / H<9B :=B8 CIH H<9 J5@I9 C: Z 5B8

# / /
"
O Q

#/ / /
": K<9F9 / ! :=B8 CIH H<9 J5@I9 C: 5B8 Z =B
/ # " /

/
K<9F9 3 :? Z Z 4

/ K<9 F9 / H<9B
": / !
/
" Z K<9F9 /
5 =B8 CIH H<9 8CA5=B C: :IB7H=CB

$

6 =B8 CIH H<9 J5@I9 C: %

&
7 ,C@J9 H<9 9EI5H=CB /

:? 5 O / / Q 6 7 /

>-<4 ;2 A:/@5;:?
": 0 / =G H<9 :IB7H=CB C: / H<9B 5GG=;B=B; / / / 9H7 HC / J5@I9 C: H<9 :IB7H=CB K=@@ 697CA9
%
/ / / CF 0 0 0 F9GD97H=J9@M ": 5G D9F H<9 GMA6C@=7 ;9CA9HFM DIHH=B; /
% %
CB / 5L=G 5B8 0 CF / CB 0 5L=G A5F?=B; H<9 DC=BHG 5G O/ / Q O/ / Q O/ / Q 9H7 5
% %
GACCH< 7IFJ9 =G 8F5KB H<9B H<9 G5A9 7IFJ9 K=@@ 69 75@@ F5D< C: IB7H=CBG
CF G?9H7<=B; H<9 8F5K=B; C: :IB7H=CB 0 / :CF H<9 G9@97H98 J5@I9 C: / :=B8 CIH H<9 J5@I9 C: 0 CF /
5B8 8F5K 5 H56@9
/

0 /

'CK A5F?=B; DC=BHG OZ Z Q OZ Z Q OZ Z Q O Q O Q O Q O Q 9H7 CB 5
GEI5F9 D5D9F 8F5K 5 GACCH< 7IFJ9 -<=G K=@@ 69 75@@98 F5D< C: IB7H=CBG

#* , $&# '' #" )" * &' (,