Question

De
Find the cardinal number of the fallowing
set

(1) B = { x:x = x new and ne8}​

Answer 1

Answer:

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Explanation:

(i) Set A = {2, 4, 5, 9, 15} has 5 elements.

Therefore, the cardinal number of set A = 5. So, it is denoted as n(A) = 5.