यदि \(\sqrt{x}=9\) तो (x) क्या है?
If \(\sqrt{x}=9\) then what is (x)?
Explanation opens after your attempt
B. 81
Concept
Squaring both sides gives (x=81). Square both sides when needed.
Why this answer is correct
The correct answer is B. 81. Squaring both sides gives (x=81). Square both sides when needed.
Exam Tip
दोनों पक्षों का वर्ग करने पर (x=81)। वर्गमूल के प्रश्नों में वर्ग करें।
Login to save your score, XP, coins and progress.
