वर्गमूल सर्पिल में \(\sqrt{440}\) को संख्या रेखा पर रखने से पहले कौन-सा अंतराल सही है?
Before placing \(\sqrt{440}\) on the number line using a square root spiral, which interval is correct?
Explanation opens after your attempt
B. \(20<\sqrt{440}<21\)
Concept
Because \(20^2<440<21^2\). Therefore \(\sqrt{440}\) lies between (20) and (21).
Why this answer is correct
The correct answer is B. \(20<\sqrt{440}<21\). Because \(20^2<440<21^2\). Therefore \(\sqrt{440}\) lies between (20) and (21).
Exam Tip
क्योंकि \(20^2<440<21^2\) है। इसलिए \(\sqrt{440}\) (20) और (21) के बीच होगा।
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