Odpowiedzi

2009-11-23T20:44:56+01:00
(a-1)^2-4*(a+1)^3=a^2-2a+1-4*(a^3-3a^2+3a-1)=a^2-2a+1-4a^3+12a^2-12a+4=-4a^3 + 13a^2 -14a + 5
2009-11-23T20:49:55+01:00
(a-1)²-4*(a+1)³ =
a²-2a+1-4*(a³-3a²+3a-1) =
a²-2a+1-4a³+12a²-12a+4 =
-4a³+13a²-14a+5
2009-11-23T20:50:12+01:00
(a-1)^2-4*(a+1)^3=
=a^2-2a+1-4*(a^3-3a^2+3a-1)=
=a^2-2a+1-4a^3+12a^2-12a+4=
=-4a^3 + 13a^2 -14a + 5