SOLUTION: log2x/ logx= 2 the correct working out to solve

Question 1062701: log2x/ logx= 2 the correct working out to solve
Answer by ikleyn(52794) (Show Source): You can put this solution on YOUR website!
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log2x/ logx= 2 the correct working out to solve
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 =  2  --->

log(2x) = 2*log(x)  --->  log(2x) = log(x^2)  --->  2x = x^2  --->  x^2 - 2x = 0  --->  x(x-2) = 0  ---> 

the unique appropriate solution is x = 2.

(x = 0 doesn't work).

Answer. The solution is x = 2

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