Tuesday, 7 October 2014

LOGARITHMS 8


If Logax = 1/2  Loga16+ 1/3 Loga64 find x.

Solution

Logax = 1/2  Loga16+ 1/3 Loga64

Logax = Loga161/2  +  Loga641/3       (641/3  = 4 )   

Logax = Loga 4 +  Loga4

Logax = Loga (4 x 4)

Logax = Loga 16

x = 16

TRY THIS…………………

If Logax = 1/2  Loga900+ 1/3 Loga125 find x.


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