Monday 30 July 2018

LOG 1


If Logax = 4, find Loga(1/x15)

Solution

= Loga(1/x15)
= Logax-15          [since 1/an = a-n]
= -15 x Logax    [since Logaxn   = nLogax ]
= -15 x 4
= -60 answer

TRY THIS………..


If Logab= 6, find Loga(1/b40)

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