Question

Use the formula for the cardinal number of the union of two sets to solve the problem. Set A contains 7 elements, set B contains 15 elements, and 5 elements are common to sets A and B. How many elements are in A ? B? A) 17 B) 16 C) 18 D) 22 

          Use the formula for the cardinal number of the union of two sets to solve the problem.
Set A contains 7 elements, set B contains 15 elements, and 5 elements are common to sets A and B. How many elements are in A ? B?
A) 17
B) 16
C) 18
D) 22
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Use the formula for the cardinal number of the union of two sets to solve the problem. Set A contains 7 elements, set B contains 15 elements, and 5 elements are common to sets A and B. How many elements are in A ? B? A) 17 B) 16 C) 18 D) 22

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Calculus: Early Transcendentals
Calculus: Early Transcendentals
James Stewart 8th Edition
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Transcript

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00:01 Here in this question we have to use the formula for cardinal number where a is given that is equal to 7 and b2 is given that is equal to 15 and we are given that the a integration b that is the common in both the sets a and b is given that is equal to 5.
00:15 So from here from the formula we know that a union b is equal to a plus b minus a integration b because a we have whole a vector and whole v vector and between this a and b vector there are some common factor.
00:30 So they are getting added in the two times...
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