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q32

Asked by 1st September 2009, 7:10 PM
Answered by Expert
Answer:

log (x + 1) + log (x - 1) = log 24

log (x + 1)(x - 1) = log 24,

taking antilogs on both sides,

(x + 1)(x - 1) = 24

x 2 - 1 = 24

x 2 = 25

x = ±5

Regards,

Team,

TopperLearning.

 

Answered by Expert 2nd September 2009, 12:05 AM
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