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posted by jonh on Friday, February 22, 2013 at 6:58pm.
f(x)=x^5x Use logarithmic differentiation to determine the derivative.
let y = x^(5x) ln y = ln(x^(5x)) lny = 5x lnx y'/y = 5x(1/x) + 5lnx y ' = y (5 + 5lnx) = 5x^(5x) (1 + lnx)
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