(a) Show that the function g: (0,1)→(0,∞)with g(x) =(1−x)/x is a bijection
(b)Show that the natural logarithm ln: (0,∞)→R is a bijection
(c) Show that R has the same cardinality as the interval (0,1)
For part a and b, hope you can easily understand the solutions. For part c if you don't know the Schroder Bernstein theorem then you can take help from any cardinality book. ?
Thank you ?
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