Wednesday, 15 April 2015

LOGARITHMS 13




If Logax = 20, find Loga(1/x11)

Solution

= Loga(1/x11)

= Logax-11

= -11 x Logax  [ since Logax = 20 ]

= -11 x 20

= -220


TRY THIS………..

If LogaW= 80, find Loga(1/W3)

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