Thursday, 21 August 2025

LOGARITHMS J6

 

Find x if Logx128 = 7

 

solution

 

Logx128 = 7

 

128 = x7 .

 

27 = x7 . [since 625 = 54 by prime factorization]

 

27 = x7 . [ powers ARE SAME, they cancel out]

 

x = 2

 

Hence x = 2

 

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

 

Find y if Logy64 = 3

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