Friday, 12 July 2024

LOGARITHMS H8

If Logay = Loga26 +  Loga6 ; find y.

 

Solution

 

Logay = Loga26 +  Loga6

 

Logay = Loga(26x 6)         [since Logam +  Logan = Loga(m x n)] 

 

Logay = Loga156

 

Hence y = 156                 [since Loga cancels out]

 

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

 

NECTA 1997 QN 13a

 

 

 

If Logax = Loga5 +  Loga3 ; find x

  




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