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Anybody know the correct answer to this?
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Anybody know the correct answer to this?

Anybody know the correct answer to this?-example-1
User Lukasz Frankowski
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1 Answer

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A=\{x|x=3n,\ n\in\{2,\ 3,\ 4\}\}=\{(3)(2),\ (3)(3),\ (3)(4)\}=\{6,\ 9,\ 12\}\\\\B=\{x|x=4m-3,\ m\in\{1,\ 2,\ 3\}\}\\=\{(4)(1)-3,\ (4)(2)-3,\ (4)(3)-3\}=\{1,\ 5,\ 9\}\\\\A\ \cap\ B=\{9\}

Answer: 9

User Augustin R
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