2 years ago

Why does a logarithmic equation sometimes have an extraneous solution?

Mathematics

2 answers:

jonny [76]2 years ago

6 0

The main reason behind this is using properties of logarithm .

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

(-2)²=(2)²

But

-2≠2

Same happens in case of logarithm

Paladinen [302]2 years ago

6 0

Answer:

yeah

Step-by-step explanation: l

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