वर्गमूल सर्पिल में यदि किसी चरण पर कर्ण \(\sqrt{399}\) है, तो अगला कर्ण किस विशेष मान पर होगा?
In a square root spiral, if the hypotenuse at a step is \(\sqrt{399}\), at which special value will the next hypotenuse be?
Explanation opens after your attempt
A. \(\sqrt{400}=20\)
Concept
The next hypotenuse is \(\sqrt{399+1}=\sqrt{400}\). Since \(\sqrt{400}=20\), it is a whole number.
Why this answer is correct
The correct answer is A. \(\sqrt{400}=20\). The next hypotenuse is \(\sqrt{399+1}=\sqrt{400}\). Since \(\sqrt{400}=20\), it is a whole number.
Exam Tip
अगला कर्ण \(\sqrt{399+1}=\sqrt{400}\) है। \(\sqrt{400}=20\), इसलिए यह पूर्ण संख्या है।
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