Monday 3 July 2017

LOGARITHMS 4


If Logay = Loga13 +  Loga7 ; find y.

solution

Logay = Loga13 +  Loga7

Logay = Loga(13x 7)         [since Logam +  Logan = Loga(m x n)] 

Logay = Loga91

Hence y = 91                 [since Loga cancels out]

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



If Logax = Loga53 +  Loga3 ; find x.

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