Jak zrobic kwadrat roznicy z : 1(4x^ * 2 - x + 1/4) :)
to chyba ma być:(4x^2 -2x + 1/4)
to wtedy będzie
(2x-1/2)^2
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to chyba ma być:(4x^2 -2x + 1/4)
to wtedy będzie
(2x-1/2)^2