वर्गमूल सर्पिल में यदि नया कर्ण \(\sqrt{n+1}\) है और यह पूर्ण संख्या (12) है, तो पिछला कर्ण कौन-सा था?
In a square root spiral, if the new hypotenuse is \(\sqrt{n+1}\) and it is the whole number (12), what was the previous hypotenuse?
Explanation opens after your attempt
B. \(\sqrt{143}\)
Concept
The new hypotenuse is \(12=\sqrt{144}\), so (n+1=144). Therefore the previous hypotenuse was \(\sqrt{143}\).
Why this answer is correct
The correct answer is B. \(\sqrt{143}\). The new hypotenuse is \(12=\sqrt{144}\), so (n+1=144). Therefore the previous hypotenuse was \(\sqrt{143}\).
Exam Tip
नया कर्ण \(12=\sqrt{144}\) है, इसलिए (n+1=144)। अतः पिछला कर्ण \(\sqrt{143}\) था।
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