I was assigned the following: The only solution of the equation ln(x) + ln(x-2) =1 is x = ? I am unsure how to solve for x.
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Use the fact that and therefore the equation can be arranged as: Solve this quadratic equation.
I solved for x, and came up with 1 + sqrt(4 +4e). However, this is still wrong, and I am unsure why!
Originally Posted by Dmiller93 I solved for x, and came up with 1 + sqrt(4 +4e). However, this is still wrong, and I am unsure why! Following on from Siron's working: Since e is a number solve using the quadratic formula: Since discard the negative solution due to domain issues (x>2)
Last edited by e^(i*pi); Sep 23rd 2011 at 02:07 PM. Reason: sign error
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