(a²+1)(a³-a-1)
Объяснение:
a⁵-a²-a-1=a(a⁴-1)-(a²+1)=
=a(a²-1)(a²+1)-(a²+1)=
=(a²+1)(a(a²-1)-1)=
=(a²+1)(a³-a-1)
(a²+1)(a³-a-1)
Объяснение:
a⁵-a²-a-1=a(a⁴-1)-(a²+1)=
=a(a²-1)(a²+1)-(a²+1)=
=(a²+1)(a(a²-1)-1)=
=(a²+1)(a³-a-1)