Решите пж даю 34 бала x2 + 2xy + y2 4x2 +4x +1 36 – 12a + a2 1 – 2a +a2 25а²+10а+1 4x2 +12x + 9 1 + y2 – 2y 28xy +49x2 + 4y2 m4 + 2m2n3 + n6 1 – 6c2 + 9c4 100x²+y²+20xy -28a + 4a2 +49 4x4 – 12x2y2+9y4 4a4– 12a2 +9
(х+у)2 (2х+1)2 (6-а)2 (1-а)2 (5a+1)2 (2x+3)2 (1-y)2 (7x+2y)2 (m2+n3)2 (1-3c2)2 (10x+y)2 (2a-7)2 (2x2-3y2)2 (2a2-3)2
онда ошибка
(2х+1)2
aa ok.
1) x2 + 2xy + y2 = (x+y)2
2) (2x+1)2
3) (6-a)2
4) (1-a)2
5) (5a+1)2
6) (4x+3)2
7) (1-y)2
8) (7x+2y)2
9) (m2+n3)2
10) (1-3c2)2
11) (10x+y)2
12) (2a-7)2
13) (2x2+3y2)2
14) (2a2-3)2