Ответы на вопрос:
Х- y = 2 x = y + 2 ( y + 2 )y = 3 y^2 + 2y - 3 = 0 d = 4 + 12 = 16 = 4^2 y1 = ( - 2 + 4 ) : 2 = 1 y2 = ( - 2 - 4 ) : 2 = - 3 x1 = 1 + 2 = 3 x2 = - 3 + 2 = - 1 ( 3 ; 1 ) ; ( - 1 ; - 3 ) yx^4 - xy^4 = yx( x^3 - y^3 ) = xy( х - y )( x^2 + xy + y^2 ) 1) ( 3 ; 1 ) 3( 3 - 1 )( 9 + 3 + 1 ) = 3•2•13 = 78 2) ( - 1 ; - 3 ) 3( - 1 + 3 )( 1 + 3 + 9 ) = 3•2•13 = 78 ответ 78
Популярно: Алгебра
-
tinn124.02.2020 18:57
-
artikiv200603.07.2020 15:56
-
TANYA88993328.03.2023 04:51
-
Mama228zx24.11.2020 07:23
-
studentASH31.05.2022 19:45
-
OlyaPo122.07.2021 01:25
-
daniilraubuhin24.07.2020 05:52
-
Kymir111.04.2020 16:31
-
lampec123.08.2021 21:11
-
11111009873528016.03.2022 05:26