Question
Download Solution PDFयदि \((5y + \frac{5}{y}) = 11\) है, \((y^2 + \frac{1}{y^2})\) का मान ज्ञात कीजिए।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFप्रयुक्त सूत्र
(x + y)2 = x2 + y2 + 2xy
गणना
प्रश्न के अनुसार:
व्यंजक को 5 से विभाजित कीजिए।
= y + 1/y = 11/5
दोनों पक्षों का वर्ग करने पर
= y2 + 1/y2 + 2 = 121/25
= y2 + 1/y2 = 121/25 - 2
= y2 + 1/y2 = 71/25
= y2 + 1/y2 = 2(21/25)
उत्तर 2(21/25) है।
Last updated on Jun 13, 2025
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