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Hola buenas noches.
Introduzco en la vista CAS la siguiente iniciación: (x^2 + 9) ≥ 0.
Sé que la solución correcta es (-∞, ∞), o bien el conjunto de todos los números reales (ℝ)El que obtengo al resolver es el siguiente: {x = x}. ¿Qué significa esta respuesta por parte de Geogebra?.
Adjunto fichero.
Gracias de antemano.
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Not the best visual result at all :) despite it's the same as saying for all x in R, because x is always identically equal to itself.
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