यदि \(x=\sqrt{23}\) है तो \(x^2+2x\) किस प्रकार की संख्या है?
If \(x=\sqrt{23}\), what type of number is \(x^2+2x\)?
Explanation opens after your attempt
Correct Answer
A. अपरिमेय संख्याIrrational number
Concept
\(x^2+2x=23+2\sqrt{23}\). The sum of a rational and an irrational number is irrational.
Why this answer is correct
The correct answer is A. अपरिमेय संख्या / Irrational number. \(x^2+2x=23+2\sqrt{23}\). The sum of a rational and an irrational number is irrational.
Exam Tip
\(x^2+2x=23+2\sqrt{23}\) है। परिमेय और अपरिमेय का योग अपरिमेय होता है।
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