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Which option is correct about (7-\sqrt{19})?
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Answer and explanation
Correct answer: It is irrational
(\sqrt{19}) is irrational because (19) is not a perfect square. Subtracting an irrational from a rational gives an irrational result.
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What is the correct answer to this question?
It is irrational
Why is this the correct answer?
(\sqrt{19}) is irrational because (19) is not a perfect square. Subtracting an irrational from a rational gives an irrational result.
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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