Question

please answer this question ​

Answer 1

Answer:

Step-by-step explanation:

i. x can be 1 or -1. cardinality of this set is 2. This set is not empty.

ii. x does not exist in natural numbers. This is empty set and its cardinality is 0.

iii. The value of x does not exist in integers. This is empty set and cardinality is 0.

iv. the value of x is 0.5 or -0.5. This set is not empty and cardinality is 2.

Hope this helps you...

Answer 2

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