E
Editor
Sep 18, 2022
$csch^{-1}x$=
Difficulty: Easy
A:
$ln(x+\sqrt{x^{2}-1})$
B:
$ln(x+\sqrt{x^{2}+1})$
C:
$ln(\frac{1}{x}$
D:
none
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ID: 63273db8ca83163ac3a105e7