कौन सा विकल्प \(\sqrt{45}+\sqrt{80}-\sqrt{125}\) की प्रकृति सही बताता है?
Which option correctly describes the nature of \(\sqrt{45}+\sqrt{80}-\sqrt{125}\)?
Explanation opens after your attempt
A. अपरिमेय संख्याIrrational number
Concept
The expression becomes \(3\sqrt{5}+4\sqrt{5}-5\sqrt{5}=2\sqrt{5}\). \(2\sqrt{5}\) is irrational.
Why this answer is correct
The correct answer is A. अपरिमेय संख्या / Irrational number. The expression becomes \(3\sqrt{5}+4\sqrt{5}-5\sqrt{5}=2\sqrt{5}\). \(2\sqrt{5}\) is irrational.
Exam Tip
अभिव्यक्ति \(3\sqrt{5}+4\sqrt{5}-5\sqrt{5}=2\sqrt{5}\) बनती है। \(2\sqrt{5}\) अपरिमेय है।
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