Tuesday 2 June 2015

LOGARITHMS 1


Find x if Logx256 = 8

solution

Logx256 = 8

256 = x8 .

28 = x8 . [since 256 = 28 by prime factorization]

28 = x8 .

x = 2

Hence x = 2

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


Find y if Logy81 = 4

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