zad2.pdf

A =[ 1 ; 4] ; B =[ 4 ; 1] ; C =[2 ; 5] 3

A \ ( B [ C ) 3

( A n B ) \ C 3

( B n C ) [ A 3

( A [ B ) n C <#=,>@?0A

A = f 2 ; 3 g ; B = f 2 ; 1 ; 0 ; 1 ; 2 ; 3 ; 4 g ; C = f 0 ; 3 ; 4 ; 5 g 3

A = f 2 ; 4 g ; B = f 1 ; 2 ; 4 ; 6 g ; C = f 4 ; 6 g 3

A =(1 ; 5] ; B =[0 ; 5] C =[5 ; + 1 ) F

( A [ B ) n C 3

(( A [ B ) n C ) [ ( C n ( A [ B )) 3

( B \ C ) [ ( B n A ) F

x 2 (3 ; 8) () ( x 3 x< 8) 3

_ < ^ A

x 7 () ( x> 7 x =7) 3

x 2 [ 2 ; 3) () ( x 2 x 3) 3

j x j > 5 () ( x 5 x 5) 3

j x j2 [1 ; 4) () (( x 1 x< 4) ( x 1 x 4)) 3

x 2 < 4 () ( x 2 x 2) F

(1 i )(2 3 i )=

i +2 i (1 3 i )=

( i 1) 2 =

( i +1) 2 +( i 1) 2 =

i +1

i 1 = \

2+ 2 i

1 i + i =

z 3

z 3 = z 1 z 2

arg z 1 =

z 1

3 < arg z 2 =

z 2

arg z 1 =

6 < arg z 2 = 2

arg z 1 =

2 < arg z 2 = 3

6 3

3 3

2 3

B [ ( A \ C ) 3

A 0 n C 3

A \ B \ C 3

( A \ C ) 0 n B 3