Question

a. The Cardinality of the set A= (x € R:X^3= 1) is
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Answer 1

Answer:

n(A) = 1

Step-by-step explanation:

Given x^3= 1 belongs to real numbers

It is only possible when value of x = 1

Hence carnality of the given set is 1

Note:

• Cardinality means measure of the number of elements in set.
• Cardinality of null set is 0 since there is no elements.
• Cardinality of an infinite set is not defined