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Homework Statement
Hello, I have to calculate the derivative of [itex]y = log_x (x+1)[/itex] so I used the formula of the derivative of a n-base logarithm and I get [itex]y' = 1/((x+1)logx)[/itex] but that's wrong, why ?
Thanks
Homework Equations
[itex]log_a x = 1/(xlog(a))[/itex]