Translated version

Double root

A single root of a quadratic equation obtained when D = 0. The graph touches the axis at this point, and the sign does not change.

Original version

Dviguba šaknis

Viena kvadratinės lygties šaknis, gaunama, kai D = 0. Grafikas ties ja paliečia ašį, o ženklas nesikeičia.

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