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What is the value of ( \sqrt{a^2} ) in real numbers?( \sqrt{a^2} ) का मान वास्तविक संख्याओं में क्या होता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ( |a| )( |a| )
In real numbers, ( \sqrt{a^2}=|a| ) because the principal square root is non-negative. Pay attention to the sign.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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