\(5x^2=20\) के हल क्या हैं?
What are the solutions of \(5x^2=20\)?
Explanation opens after your attempt
Correct Answer
A. \(x=\pm2\)
Concept
From \(5x^2=20\), \(x^2=4\), so \(x=\pm2\). In exams, write both values in the final answer.
Why this answer is correct
The correct answer is A. \(x=\pm2\). From \(5x^2=20\), \(x^2=4\), so \(x=\pm2\). In exams, write both values in the final answer.
Exam Tip
\(5x^2=20\) से \(x^2=4\), इसलिए \(x=\pm2\) है। परीक्षा में अंतिम उत्तर में दोनों मान लिखें।
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