Question
Download Solution PDFजर\(\rm \left(3y-\frac{3}{y}\right)=5\), असेल तर \(\rm \left(y^2+\frac{1}{y^2}\right)\) याची किंमत शोधा.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिलेली माहिती:
\(\rm \left(3y-\frac{3}{y}\right)=5 \)
वापरलेले 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
∴ योग्य उत्तर 43/9 आहे.
Last updated on Jul 16, 2025
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