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Question Number 134977 by 0731619177 last updated on 09/Mar/21

Answered by Ñï= last updated on 09/Mar/21

$$tanhx=\frac{x}{1+\frac{x^2}{3+\frac{x^2}{5+\frac{x^2}{7+...}}}}$$$${\int }_a^{b}tanhxdx=ln\left(\cosh x\right){\mid }_a^b=ln\frac{\cosh b}{\mathrm{co}s\mathrm{h}a}$$

Commented by 0731619177 last updated on 09/Mar/21

$$tankssir$$

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