carrillo4444
25.06.2021 •
Mathematics
Let U be the set of all books, N the set of all novels, and H be the set of all hardcover books. Describe, in words, the following sets:
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Ответ:
Given:
U be the set of all books, N the set of all novels, and H be the set of all hardcover books.
To find:
The description for the sets
and 
in words.
Solution:
We have,
U = The set of all books
N = The set of all novels
H = The set of all hardcover books.
We know that
means common elements of set N and set H.
Therefore,
is set of all books that are both novels and hardcover books.
We know that
is the set of elements of universal set except the elements of set H.
Therefore,
is the set of all books that are not hardcover books.
Ответ:
420
Step-by-step explanation: