Tuesday, 2 June 2015

LOGARITHMS 2


Find x if Logx16 = 4

solution

Logx16 = 4

16 = x4 .

24 = x4 . [since 16 = 24 by prime factorization]

24 = x4 . [ powers cancel out]

x = 2

Hence x = 2

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


Find y if Logy27 = 3

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