If x=e^n - e^-n/e^n + e^-n then the value of n is ?
Thanks in advance
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Ratio and proportion
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1. x+1 = 2e^n/(e^n + e^-n) 1-x = 2e^-n/(e^n + e^-n) so (1+x)/(1-x) = e^(2n) so ln((1+x)/(1-x)) = 2n implies n = 0.5ln((1+x)/(1-x))
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