Question

а^4 - 1
Разложите на множители

Answer 1

a⁴-1⁴=(a²)²-(1²)²=(a²-1²)(a²+1)=(a-1)(a+1)(a²+1)

Answer 2

a^4 - 1 = ( a^2 - 1 )•( a^2 + 1 ) = ( a^2 + 1 )•( a - 1 )•( a + 1 )