zara76
zara76
13.09.2019 • 
Mathematics

(a). define set a as a = {x ∈ r | x > 4, x not in q}. find a formula for an injective function g from n into a. prove that your function is injective. (b). define set b as the set of all perfect squares having three or more digits. find a formula for a bijective function g from n to b. prove that your function is bijective.

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