13543abc 13543abc
  • 17-05-2021
  • Mathematics
contestada

if Y - 1 by Y is equal to 9 find y square minus 1 by y square​

Respuesta :

LabT
LabT LabT
  • 17-05-2021

Answer:

(Y-1)Y=9

Y²-y=9

Y²=9+y

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