Which of the following is irrational?√16 B. √4 C. √9 D. √11
Which of the following is irrational?√16 B. √4 C. √9 D. √11
Explanation
A. √16 = 4 → Rational
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B. √4 = 2 → Rational
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C. √9 = 3 → Rational
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D. √11 ≈ 3.316624... → Not a perfect square → Irrational
Correct answer: D. √11