Q1. For x ≥ 1, the expression ln(x + √(x2 − 1)) is equal to:Mathematics — Sets, Functions and Groups — Question 1 of 232A. sinh-1(x)B. sech-1(x)C. cosh-1(x)D. cosech-1(x)Practice more Mathematics MCQs for entrance exam preparation on Examora.io. Next Question →