Monday, 14 December 2015

LOGARITHMIC EQUATIONS-4


Find x if Logx256 = 4

solution

Logx256 = 4

256 = x4 .

44 = x4 . [since 256 = 44 by prime factorization]

44 = x4 . [ powers cancel out]

x = 4

Hence x = 4

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


Find y if Logy64 = 3

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