Question
Show that f(x)=\int_{5}^{x} \frac{d t}{\sqrt{1+t^{2}}} is one-to-one. f'(x) =______ Since f'(x) ______ 0 for all x, f is______on (-oo, oo). Thus f is one-to-one. Find (f^-1)'(0).
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