Saturday, 24 December 2016

LOGARITHMS 11


If Logay = Loga26 +  Loga10 ; find y.

solution

Logay = Loga26 +  Loga10

Logay = Loga(26x 10)         [since Logam +  Logan = Loga(m x n)] 

Logay = Loga260

Hence y = 260                 [since Loga cancels out]

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

NECTA 1997 QN 13a



If Logax = Loga5 +  Loga3 ; find x.
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