Friday, 14 February 2014

LOGARITHMS B30

If Logax = 1/2  Loga16+ 1/3 Loga1000 find x.

Solution

Logax = 1/2  Loga16+ 1/3 Loga1000

Logax = Loga161/2  +  Loga10001/3   

Logax = Loga 4 +  Loga10

Logax = Loga (4 x 10)

Logax = Loga 40


x = 40.


TRY THIS.............

If Logax = 1/2  Loga225+ 1/3 Loga125; find x.



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