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[Figure1]
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Caption=Інтерполяція трьох точок~~методом Лагранжа
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Caption=Побудована парабола проходить через три точки.~~Її рівняння:
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[Label4]
Caption=Коєфіціенти a,b,c параболи визначаються з системи~~трьох рівнянь, кожне з яких означає те, що парабола,~~яка є графіком полінома 2 степеня,~~проходить через одну з трьох точок:
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