Friday, 14 February 2014

LOGARITHMS B31



If Logax = 1/2  Loga121+ 1/3 Loga125 find x.

Solution

Logax = 1/2  Loga121+ 1/3 Loga125

Logax = Loga1211/2  +  Loga1251/3   

Logax = Loga 11+  Loga5

Logax = Loga (11 x 5)

Logax = Loga 55

x = 55


TRY THIS.........
 
If Logax = 1/2  Loga121+ 1/3 Loga1,000,000 find x.
 
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