Single Answer MCQ
Q-00051457
If C = {x : x^2 - 2 = 0 and x is rational}, what type of set is C?
1
Empty set
2
One-element set
3
Two-element set
4
Full set of rational numbers
Answer and Solution
Answer
A. Empty set
Solution:
The equation x^2 - 2 = 0 does not yield any rational solutions; therefore, set C is empty.
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