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Mathematics 10 Online
OpenStudy (anonymous):

Prove the following equality sinh ^-1 x = ln (x + radical (x^2 + 1)) Prove the following equality sinh ^-1 x = ln (x + radical (x^2 + 1)) @Mathematics

OpenStudy (zarkon):

try differentiating both sides

OpenStudy (stacey):

A very direct method for showing this is found at http://www.youtube.com/watch?v=8-472M6J0HY&feature=related

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