Math, asked by Bkmochi09, 4 months ago

log (x2-21)=2

pls help

Answers

Answered by ganeshprajapati1700

1

11111112wwweeeeeeeee

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Answered by reshaar2003

0

Answer:

log(x²-21) =2

=log(x²-21)=log100

x²-21-100=0

x²-121=0

x²=121

x=+or- √121

x=+or-11

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