s402646
s402646 s402646
  • 14-06-2022
  • Mathematics
contestada

Why does a logarithmic equation sometimes have an extraneous solution?

Respuesta :

Аноним Аноним
  • 15-06-2022

The main reason behind this is using properties of logarithm .

like

when solving

  • log_2(x+2)+log_2(x-3)=3

There you use multiplication property and make addition to multiplication then you get extraneous solution because in plenty of cases they occur

like

  • (-2)²=(2)²

But

  • -2≠2

Same happens in case of logarithm

Answer Link
freemanwillie13 freemanwillie13
  • 21-06-2022

Answer:

yeah

Step-by-step explanation: l

Answer Link

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