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प्रश्न
If A = {3, 5, 7, 9, 11, 12}, determine the truth value of the following.
∀ x ∈ A, x2 + x is an even number
उत्तर
For each x ∈ A, x2 + x is an even number. So the given statement is true, hence its truth value is T.
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