Wednesday 12 February 2014

LOGARITHMS B29

If Logax = 1/2  Loga400+ 1/3 Loga27 find x.

Solution

Logax = 1/2  Loga400+ 1/3 Loga27

Logax = Loga4001/2  +  Loga271/3   

Logax = Loga 20 +  Loga3

Logax = Loga (20 x 3)

Logax = Loga 60


x = 60.


TRY THIS.....


If Logax = 1/2  Loga169+ 1/3 Loga64 find x.

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