brianbelen061ovxvuu
brianbelen061ovxvuu brianbelen061ovxvuu
  • 24-10-2017
  • Mathematics
contestada

If x^2+y^2=73 and xy=24, what is the value of (x+y)^2? And Why?

Respuesta :

dannielle
dannielle dannielle
  • 05-11-2017
(x+y)^2=x^2+y^2+2xy=73+2*24=73+48=121

⇒ (x+y)^2=121
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