Monday, 22 February 2016

LOGARITHMS-11



If Logay = Loga22 +  Loga3 ; find y.

solution

Logay = Loga22 +  Loga3

Logay = Loga(22x 3)         [since Logam +  Logan = Loga(m x n)] 

Logay = Loga66

Hence y = 66                  [since Loga cancels out]

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

NECTA 1997 QN 13a


If Logax = Loga5 +  Loga3 ; find x.


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