Monday, 19 May 2014

LOGARITHMS 1




If Logax = 1/2  Loga49+ 1/3 Loga27 find x.

Solution

Logax = 1/2  Loga49+ 1/3 Loga27

Logax = Loga491/2  +  Loga271/3   

Logax = Loga 7 +  Loga3

Logax = Loga (7 x 3)

Logax = Loga 21

x = 21.

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