= (a2 + 2ab + b2)(a2 — 2ab ... (a2 + b2))2 — = (a* — b4)2 = a8 — 2a4b4 + b8. а) (a + b)*(a — b) — 2ab(b — а)
= (a2 + 2ab + b2)(a2 — 2ab ... (a2 + b2))2 — = (a* — b4)2 = a8 — 2a4b4 + b8. а) (a + b)*(a — b) — 2ab(b — а)