यदि (x=-15) है तो \( \sqrt{x^2}-x \) का मान क्या होगा?
If (x=-15), what is the value of \( \sqrt{x^2}-x \)?
Explanation opens after your attempt
C. (30)
Concept
\( \sqrt{x^2}=|x| \). When (x=-15), we get (15-(-15)=30).
Why this answer is correct
The correct answer is C. (30). \( \sqrt{x^2}=|x| \). When (x=-15), we get (15-(-15)=30).
Exam Tip
\( \sqrt{x^2}=|x| \) होता है। (x=-15) होने पर (15-(-15)=30) मिलेगा।
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