(a) Prove that the function f : R {1} R {2} defined by f(x) = 2x x1 is bijective. (b)
Chapter 5, Problem 6(choose chapter or problem)
(a) Prove that the function f : R {1} R {2} defined by f(x) = 2x x1 is bijective. (b) Show that |R {1}| = |R {2}|.
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