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In which option is the product of two irrational numbers rational?
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Answer and explanation
Correct answer: ((2+\sqrt{3})(2-\sqrt{3}))
((2+\sqrt{3})(2-\sqrt{3})=4-3=1) which is rational. In exams remember conjugate multiplication as a counterexample.
Frequently asked questions
What is the correct answer to this question?
((2+\sqrt{3})(2-\sqrt{3}))
Why is this the correct answer?
((2+\sqrt{3})(2-\sqrt{3})=4-3=1) which is rational. In exams remember conjugate multiplication as a counterexample.
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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