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24-05-2023
Mathematics

contestada

Letſ: A + B and 9: B C be two functions. (i) Show that if go f and g are bijective, then f is bijective. (ii) Show that if f and 9 are bijective then (gof)-! = -log! (iii) Give an example where g of is bijective, however functions f and g are not bijective

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