What does b stand for in math

P(A ⋂ B) probability of events intersection: probability that of events A and B: P(A⋂B) = 0.5: P(A ⋃ B) probability of events union: probability that of events A or B: P(A⋃B) = 0.5: P(A | B)

What does A ∪ B mean in math?

B is for Box the Key Words. When students draw a box around the key words, they are often found within the question that was just underlined. This step can be a bit tricky in certain situations.
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Online Math Dictionary

It depends how you define the symbol |. In Number Theory, for example, for any integers [math]a,b[/math], [math]a|b[/math] means [math]a[/math] divides [math]b[/math], and is defined

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To solve a mathematical problem, you need to first identify what the problem is and what information you have. Then, you need to decide what operations to perform and in what order.

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