(a^2 — 2)^2



(1 — m^3)^2
(5 + c^3)^2
(x^2y^2 + 1)^2
1:
(a^2 — 2)^2 = a^4 — 4a^2 +4
(1 — m^3)^2 = 1 — 2m^3 + m^6
(5 + c^3)^2 = 25 +10c^3 + c^6
(x^2y^2 + 1)^2 = x^4y^4 +2x^2y^2 +1

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Тэги: