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anonymous
 4 years ago
If ln x + ln(x4)= ln4x, then x= ??
The answer is 8...but can anyone help and show the working out?
anonymous
 4 years ago
If ln x + ln(x4)= ln4x, then x= ?? The answer is 8...but can anyone help and show the working out?

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Product Law... ln x(x4) = ln4x e^ln4x = x(x4) 4x = x(x4) divide both sides by x.... 4 = x  4 x = 8
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