Question

find the cardinal number of set ​

Answer 1

Answer:

To find the cardinal number of the given set, we have to count the number of elements of the set. So, first we have to list out the elements of the set. Factor of 12 is 1, 2, 3, 4, 6 and 12. But prime factor of 12 are 2 and 3. The given set has 2 elements.

Step-by-step explanation:

Answer 2

Answer:

Please give a picture or the written format of the set to find the solution of the problem.

Cardinal number of a set: the cardinal number of a finite set A is the number of distinct members and is denoted by n(A). The cardinal number of the empty set,  Ø, is 0 because Ø has zero members. so n(Ø) = 0. And the cardinal number of an infinite set  cannot be found because such a set has countless members. It is easier to find n(A) if the set A is written as shown below.

Examples: i) If A = (-3,-2,-1,0,1,2,3) then n(A)=7.

                 ii) If A = (x/x is a letter of the word HYDERABAD) then n(A) = 7 because writing in the tabular form, A = (H,Y,D,E,R,A,B)

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