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S-sinhx-sinh-2-x-sinh-3-x-sinh-n-x-

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Question Number 183330 by Matica last updated on 25/Dec/22
S = sinhx+sinh^2 x + sinh^3 x+...+sinh^n x=?
$$\:\:{S}\:=\:{sinhx}+{sinh}^{\mathrm{2}} {x}\:+\:{sinh}^{\mathrm{3}} {x}+…+{sinh}^{{n}} {x}=? \\ $$
Commented by mokys last updated on 25/Dec/22
S = ((sinhx)/(1−sinhx))
$${S}\:=\:\frac{{sinhx}}{\mathrm{1}−{sinhx}} \\ $$
Commented by Ar Brandon last updated on 25/Dec/22
Isn't this rather the sum to infinity?

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