कौन सा उदाहरण दिखाता है कि दो अपरिमेय संख्याओं का गुणनफल परिमेय हो सकता है?
Which example shows that the product of two irrational numbers can be rational?
Explanation opens after your attempt
Correct Answer
B. \(\sqrt{5}\cdot \sqrt{5}\)
Concept
\(\sqrt{5}\) is irrational.
Why this answer is correct
\(\sqrt{5}\cdot \sqrt{5}=5\) which is rational.
Exam Tip
The product of two identical irrational square roots becomes the number inside. चरण 1: \(\sqrt{5}\) अपरिमेय है। चरण 2: \(\sqrt{5}\cdot \sqrt{5}=5\) परिमेय है। चरण 3: दो समान अपरिमेय वर्गमूलों का गुणनफल भीतर की संख्या बन जाता है।
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