Question
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Answer (Detailed Solution Below)
Detailed Solution
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प्रयुक्त सूत्र:
(a - b)2 = a2 + b2 - 2ab
गणना:
⇒ y - 1/y = 5/3
⇒ y2 + 1/y2 - 2 = 25/9
⇒ y2 + 1/y2 = 25/9 + 2
⇒ y2 + 1/y2 = (25 +18)/9
⇒ y2 + 1/y2 = 43/9
∴ सही उत्तर 43/9 है।
Last updated on Jul 11, 2025
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