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Fiesta28 [93]
3 years ago
14

I need help with this question

Mathematics
1 answer:
alukav5142 [94]3 years ago
7 0
Union = {1,3,4,5,6,7}
Intersection = {5,6}
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<h3>What are real numbers?</h3>

In mathematics, a real number is a quantity that may be represented by an endless number of decimal expansions. In contrast to the natural numbers 1, 2, 3,... that result from counting, real numbers are used in measurements of continuously varying quantities such as size and time. They are distinguished from imaginary numbers, which use the symbol I or the square root of 1, by the word "real." A complex number has a real (1) and an imaginary I component, like 1 + i. The positive and negative integers, as well as the fractions created from them (also known as rational numbers), as well as the irrational numbers, are all real numbers.

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