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Question
Choose the correct alternative:
Which one of the following statements has the truth value T?
Options
sin x is an even function
Every square matrix is non-singular
The product of complex number and its conjugate is purely imaginary
`sqrt(5)` is an irrational number
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Solution
`sqrt(5)` is an irrational number
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| p | q | (p ∧ q) v ¬q |
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| T | T | (a) |
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