Page 54 - DECO403_MATHEMATICS_FOR_ECONOMISTS_ENGLISH

<@2

D.:=92 @ 3A;0@6<; 6? 16?0<;@6;A<A? "><B2

%<9A@6<; ; ;E @AF 678;@76 67@A?;@3FAD ;E

;; >;? " :3E @A 7J;EF7@57 ;E 7CG3>
"
>73H;@9 " 3F 7H7DK BA;@F 8G@5F;A@ ;E 5A@F;@GAGE ,:7D78AD7 3F "
8G@5F;A@ ;E 6;E5A@F;@GAGE

D.:=92 D=9.6; @5.@ .@ 3A;0@6<; 6? 16?0<;@6;A<A?

%<9A@6<; ; ;E @AF 678;@76 @G?7D3FAD 3@6 67@A?;@3FAD 3D7 L7DA

;; "

,:7D78AD7 8G@5F;A@ J ;E 6;E5A@F;@GAGE

"
;E5A@F;@G;FK ;@ 7J3?B>7 53@ 47 7E53B76 4753GE7 8GDF:7D "
"
678;@;@9 F:7 8G@5F;A@ 3F
,:7 9D3B: A8 3@6 " " 3D7 E3?7 I:7D73E 8;DEF A@7 :3E :A>7
;E5A@F;@G;FK ;@ 7J3?B>7 53@ @AF 47 ;9@AD76 4753GE7 F:7D7 ;E @A 7J;EF7@57 A8 >;?;F

%
( ≠
D.:=92 3 3A;0@6<; & 6? 0<;@6;A<A? <; :.6; =<6;@
(
'

%<9A@6<; " ;E 5A@F;@GAGE A@ " 4753GE7 9;H7@

E;@ "
@6 >;?
" "

%
( ≠ 0
D.:=92 D=9.6; @5.@ 3A;0@6<; & 6? 16?0<;@6;A<A? <; :.6; =<6;@
( 1, 0
'
%<9A@6<; " ;E 6;E5A@F;@GAGE A@ J 3 4753GE7

E;@ "
@6 >;? " >;?
" " "
E;@ "
>;? 5AE " 5AE

" "
'D >;? "
"

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