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Title: Solve for x if... x is raised to log x. i know x is equal to 10 but how do I derive the answer from it,? Post by: MicroNerd on Oct 13, 2012 give the solution pls :)
Title: Solve for x if... x is raised to log x. i know x is equal to 10 but how do I derive the answer from it,? Post by: illmatic118 on Oct 13, 2012 Content hidden
Title: Solve for x if... x is raised to log x. i know x is equal to 10 but how do I derive the answer from it,? Post by: asjey on Oct 13, 2012 You don't provide an equation, just an expression : x^(log x)
You cannot solve for a variable without an equation. Others have assumed x^(log x) = x which has 2 answers, not 1 x^(log x) = log x log(x^(log x)) = log x log x * log x = log x log x * log x - log x = 0 log x (log x - 1) = 0 log x = 0 or log x = 1 x = 1 or x = 10 |