किस विकल्प में दो अपरिमेय संख्याओं का गुणनफल परिमेय है?
In which option is the product of two irrational numbers rational?
Explanation opens after your attempt
Correct Answer
A. (\(2+\sqrt{3}\)\(2-\sqrt{3}\))
Concept
(\(2+\sqrt{3}\)\(2-\sqrt{3}\)=4-3=1) which is rational. In exams remember conjugate multiplication as a counterexample.
Why this answer is correct
The correct answer is A. (\(2+\sqrt{3}\)\(2-\sqrt{3}\)). (\(2+\sqrt{3}\)\(2-\sqrt{3}\)=4-3=1) which is rational. In exams remember conjugate multiplication as a counterexample.
Exam Tip
(\(2+\sqrt{3}\)\(2-\sqrt{3}\)=4-3=1) है जो परिमेय है। परीक्षा में संयुग्मी गुणन को प्रतिउदाहरण के रूप में याद रखें।
Login to save your score, XP, coins and progress.