sanchez79 sanchez79
  • 08-05-2020
  • Mathematics
contestada

determine the number of real solutions of the equation. Then solve the equation using square roots
x² = -21​

Respuesta :

Аноним Аноним
  • 08-05-2020

Answer:

x ∉ R

Step-by-step explanation:

x² = - 21

if x² < 0 => x ∉ R

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