\( \sqrt{a^2} \) का मान वास्तविक संख्याओं में क्या होता है?
What is the value of \( \sqrt{a^2} \) in real numbers?
Explanation opens after your attempt
Correct Answer
C. ( |a| )
Concept
In real numbers, \( \sqrt{a^2}=|a| \) because the principal square root is non-negative. Pay attention to the sign.
Why this answer is correct
The correct answer is C. ( |a| ). In real numbers, \( \sqrt{a^2}=|a| \) because the principal square root is non-negative. Pay attention to the sign.
Exam Tip
वास्तविक संख्याओं में \( \sqrt{a^2}=|a| \) होता है क्योंकि वर्गमूल अमुख्य रूप से गैर-ऋणात्मक होता है। संकेत का ध्यान रखें।
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