Álgebra/Tema 1/Dificil 1 ER_A2_1.1.4 ER_A2_1.1.4

Sea A el siguente subconjunto de los números reales:

«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»A«/mi»«mo»=«/mo»«mfenced open=¨{¨ close=¨}¨»«mrow»«mo»#«/mo»«mi»a«/mi»«mo»+«/mo»«mo»#«/mo»«mi»b«/mi»«mo»§#183;«/mo»«mi»x«/mi»«mo»+«/mo»«mo»#«/mo»«mi»c«/mi»«mo»§#183;«/mo»«msup»«mi»x«/mi»«mn»2«/mn»«/msup»«mo»:«/mo»«mo»§#160;«/mo»«mi»x«/mi»«mo»§#8712;«/mo»«mo»[«/mo»«mo»#«/mo»«mi»I«/mi»«mo»,«/mo»«mo»#«/mo»«mi»D«/mi»«mo»[«/mo»«/mrow»«/mfenced»«/math»

Determine si existen:

  • Sup(A) = {#1}
  • Inf(A) = {#2}
  • Max(A) = {#3}
  • Min(A) = {#4}

Nota: si NO existe, indique como resultado 123456

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