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Question
`sqrt5` is an irrational but `3sqrt5` is a complex number.
Solution
Let p: `sqrt5` is an irrational.
q: `3sqrt5` is a complex number.
Then the symbolic form of the given statement is p ∧ q.
The truth values of p and q are T and F respectively.
∴ The truth value of p ∧ q is F. ...[T ∧ F ≡ F]
Notes
Answer in the textbook is incorrect.
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