NCERT Miscellaneous Exercise Q38 - Integrals

Question: int dx/(e^x + e^{-x}) equals (A) tan^{-1}(e^x) + C (B) tan^{-1}(e^{-x}) + C (C) log(e^x - e^{-x}) + C (D) log(e^x + e^{-x}) + C.

Answer: (A)

Full step-by-step NCERT solution with diagrams on Something by Zero.

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