Saturday 25 April 2015

LOGARITHMS 17





If Logax = 20, find Loga(1/x6)

Solution

= Loga(1/x6)                        

= Logax-6                   [since 1/cn =c-n]

= -6 x Logax

= -6 x 20

= -120


TRY THIS………..

If LogaW= 30, find Loga(1/W5)

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