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If (\sqrt{k}) is irrational and (k) is a positive integer, what is correct about (k)?
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Answer and explanation
Correct answer: (k) is not a perfect square
If a positive integer is not a perfect square its square root is irrational. So (k) is not a perfect square.
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What is the correct answer to this question?
(k) is not a perfect square
Why is this the correct answer?
If a positive integer is not a perfect square its square root is irrational. So (k) is not a perfect square.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Polynomials. Topic: Irrational numbers and real numbers.
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