Odpowiedź:
B ( x , y )
-->
a) [tex]B_1 ( 1 , 2 )[/tex] [tex]u = [ - 5, 0 ][/tex]
więc
--->
[tex]B B_1 =[/tex] [ 1 - x, 2 - y ] = [ - 5, 0 ]
1 - x = - 5 2 - y = 0
x = 1 + 5 = 6 y = 2
B( 6, 2 )
=======
b ) -->
[tex]B_1 ( 3 . -2 )[/tex] u = [ - 7, 1 ]
[tex]B B_1 =[/tex] [ 3 - x , - 2 - y ] = [ - 7 , 1 ]
3 - x = - 7 - 2 - y = 1
x = 3 + 7 = 10 y = - 2 - 1 = - 3
B ( 10, - 3 )
==============
c ) -->
[tex]B_1 ( 5, 1 )[/tex] u = [ 4 , 6 ]
[tex]B B_1 = [[/tex] 5 - x , 1 - y ] = [ 4, 6 ]
5 - x = 4 1 - y = 6
x = 1 y = - 5
B ( 1 , - 5 )
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Odpowiedź:
B ( x , y )
-->
a) [tex]B_1 ( 1 , 2 )[/tex] [tex]u = [ - 5, 0 ][/tex]
więc
--->
[tex]B B_1 =[/tex] [ 1 - x, 2 - y ] = [ - 5, 0 ]
1 - x = - 5 2 - y = 0
x = 1 + 5 = 6 y = 2
B( 6, 2 )
=======
b ) -->
[tex]B_1 ( 3 . -2 )[/tex] u = [ - 7, 1 ]
więc
--->
[tex]B B_1 =[/tex] [ 3 - x , - 2 - y ] = [ - 7 , 1 ]
3 - x = - 7 - 2 - y = 1
x = 3 + 7 = 10 y = - 2 - 1 = - 3
B ( 10, - 3 )
==============
c ) -->
[tex]B_1 ( 5, 1 )[/tex] u = [ 4 , 6 ]
więc
--->
[tex]B B_1 = [[/tex] 5 - x , 1 - y ] = [ 4, 6 ]
5 - x = 4 1 - y = 6
x = 1 y = - 5
B ( 1 , - 5 )
==============
Szczegółowe wyjaśnienie: