वर्गमूल सर्पिल में \( \sqrt{40} \) की त्रिज्या को सरल करने पर कौन-सा रूप मिलेगा?
What form is obtained after simplifying the radius \( \sqrt{40} \) in the square root spiral?
Explanation opens after your attempt
C. \(2\sqrt{10}\)
Concept
\( \sqrt{40}=\sqrt{4\times 10}=2\sqrt{10} \). The perfect square (4) comes outside.
Why this answer is correct
The correct answer is C. \(2\sqrt{10}\). \( \sqrt{40}=\sqrt{4\times 10}=2\sqrt{10} \). The perfect square (4) comes outside.
Exam Tip
\( \sqrt{40}=\sqrt{4\times 10}=2\sqrt{10} \) है। पूर्ण वर्ग (4) बाहर निकलता है।
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