Express in terms of log 2 and log 3 :
log 36
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Simplifying the expression,
⇒ log 36
⇒ log (22 × 32)
⇒ log 22 + log 32
⇒ 2 log 2 + 2 log 3.
Hence, log 36 = 2 log 2 + 2 log 3.
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If log (x - 5) + log (x + 5) = 2 log 12, the positive value of x is :
5
13
4.8
12
log 144
log 4.5