निम्नलिखित में से कौन-सा परिणाम परिमेय नहीं है?
Which of the following results is not rational?
Explanation opens after your attempt
C. \(\sqrt{2}+\sqrt{18}\)
Concept
\(\sqrt{2}+\sqrt{18}=\sqrt{2}+3\sqrt{2}=4\sqrt{2}\).
Why this answer is correct
\(4\sqrt{2}\) is irrational, so it is not rational.
Exam Tip
In options, simplify every result before deciding its nature. चरण 1: \(\sqrt{2}+\sqrt{18}=\sqrt{2}+3\sqrt{2}=4\sqrt{2}\)। चरण 2: \(4\sqrt{2}\) अपरिमेय है, इसलिए परिमेय नहीं है। चरण 3: विकल्पों में पहले सभी परिणाम सरल करें, फिर प्रकृति तय करें।
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