Wednesday 12 February 2014

LOGARITHMS B28


If Logax = 1/2  Loga16+ 1/3 Loga27 find x.

Solution

Logax = 1/2  Loga16+ 1/3 Loga125

Logax = Loga161/2  +  Loga1251/3   

Logax = Loga 4 +  Loga5

Logax = Loga (4 x 5)

Logax = Loga 20


x = 20   


TRY THIS........

If Logax = 1/2  Loga16+ 1/3 Loga729 find x.


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