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CBSE Class 9 Answered

q32
Asked by | 01 Sep, 2009, 07:10: PM
answered-by-expert 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 | 02 Sep, 2009, 12:05: AM
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