Page 278 - DECO403_MATHEMATICS_FOR_ECONOMISTS_ENGLISH

*96 )F3EC24E:@? @7 EH@ >2EC:46D :D 7@F?5 7C@> E96 255:E:@? @7 E96 255:E:G6 :?G6CD6 @7 2?5 : 6 38)
M

<%140) * %2( 8,)2 ):%09%8) ?

3098-32 $ ² %

%86-< 908-40-'%8-32

7 0 1 L :D E96 >2EC:I @7 L @C56C 2?5 0 1 L :D E96 >2EC:I @7 L @C56C E96? E96

#F=E:A=:42E:@? @7 #2EC:46D 2?5 :D H96C6 0 1 L :D 2 >2EC:I @7 L @C56C : 6

:7 EH@ >2EC:46D 2?5 2C6 4@Q7@CP23=6 :? H9:49 E96 ?F>36C @7 4@=F>?D :D 6BF2= E@ E96 ?F>36C
@7 C@HD E96? H6 42? >F=E:A=J 3@E9 E96 >2EC:46D 2?5 56?@E6 E96 AC@5F4E 7C@>
*9FD E96 >6E9@5 E@ 86E E96 4@>>@? 6=6>6?E @7 #2EC:I #F=E:A=:42E:@? :D

*@ >F=E:A=J 2?5 255 E96 6=6>6?ED @7 E9 C@H @7 2?5 E9 4@=F>? @7 :E :D 42==65 (@H #F=E:A=:65
@=F>? #6E9@5

DDF>6 E96 0 1 2?5 E96? E96 >F=E:A=:42E:@? @7 H:== 36

0 1

-96C6

E :D 2EE6?E23=6 E92E *96 #F=E:A=:42E:@? :D 567:?:E6 @?=J E96? :7 E96 ?F>36C @7 4@=F>?D :? >2EC:I
:D 6BF2= E@ E96 ?F>36CD @7 C@HD :? #2EC:I #2EC:I 2?5 2C6 4@>7@CE23=6 7@C >F=E:A=:42E:@?
*96C67@C6 H6 42? >F=E:A=J E96 @?6 C@H >2EC:I 2?5 4@=F>? :7 E96 ?F>36C @7 6=6>6?ED :? 3@E9 2C6
6BF2=
7 #2EC:I :D @7 L @C56C 2?5 :D @7 L @C56C E96? #2EC:I #F=E:A=:42E:@? H:== 36 @7 L @C56C
3FE E96 AC@5F4E @7 >2EC:46D 2?5 H:== 36 @7 L @C56C

0 1 0 1

0 1
L

" # ! " #