Tuesday 8 December 2015

LOGARITHMIC EQUATIONS - 1


Find x if Logx512 = 9

solution

Logx512 = 9

512 = x9 .

29 = x9 .    [ since 512= 29]

29 = x9 .

x = 2

Hence x = 2

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

NECTA 1999 QN. 3b (ii)


Find x if Logx32 = 5

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