steve112233 steve112233
  • 27-03-2021
  • Mathematics
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[tex] {x}^{2} - 18 < 0[/tex]
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Respuesta :

megatron6699
megatron6699 megatron6699
  • 27-03-2021

Answer

-sqrt(18)<x<sqrt(18)

Step-by-step explanation:

  1. Factorise:(x-sqrt(18))(x+sqrt(18))<0
  2. Critical values:-sqrt18 and sqrt18
  3. Use number line or graphical method
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