Find the least element of each of the following sets, if there is one. If there is no least element, enter "none". a. {n EN: n²-2 ≥ 4}. b. {n EN:n²-6 € N}. c. {n² + 5:n € N}. d. {n EN: n=k² + 5 for some k € N}.

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A: Solution

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A:

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Q: d. | 5x6 +72-8

A:

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A: By using set theoretic rules you can solve the given problem as follows :

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A:

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A: Use the definition of set and its elements to solve this problem as in next step.

Q: If | A| = 2 and |B| = 6, what is |AU B|+|An B?

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

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A:

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A:

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A: The given formula is,

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Q: = {even numbers} and F = {« ={multiples of two} and B = = {whole numbers} and D %3D %3D

A: NOTE: I will provide the explanation for each option, as follows; For option a),  The disjoint sets…

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A:

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