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Lukecrayonz

  • 2 years ago

??? What in the world is this Use U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, A= {1, 3, 5}, B= {5, 6, 8, 9} and C = {2, 4, 10}, find A upside down U thingy B?

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  1. Lukecrayonz
    • 2 years ago
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    What do you even call this!?

  2. ParthKohli
    • 2 years ago
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    \( \color{Black}{\Rightarrow A \cap B}\) means the intersection between A and B. Intersection are the common elements in both the sets. Get it?

  3. Lukecrayonz
    • 2 years ago
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    Oh.. Well now I just feel stupid, never even seen this before.

  4. ParthKohli
    • 2 years ago
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    lol, so did you find the common elements?

  5. Lukecrayonz
    • 2 years ago
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    5 haha

  6. ParthKohli
    • 2 years ago
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    Yep, so you'd denote it by \(A \cap B = \{5\}\)

  7. Lukecrayonz
    • 2 years ago
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    Have you ever had those nights where you literally forget everything you know about math..? Because this is that night for me.

  8. ParthKohli
    • 2 years ago
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    lol exactly ;)

  9. Lukecrayonz
    • 2 years ago
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    I'm serious, I am taking a test and i'm like uhhhhhh, forgetting how to factor etc. I took Precalc and got an A for godsake haha

  10. ParthKohli
    • 2 years ago
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    Hahah

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