\(y^4-10y^2+25\) को गुणनखंडित करें।
Factorise \(y^4-10y^2+25\).
Explanation opens after your attempt
A. (\(y^2-5\)2)सही पूर्ण वर्ग
Concept
It is (\(y^2\)2-2\cdot y-2\cdot5+52). In exams treat \(y^2\) as one term and apply the identity.
Why this answer is correct
The correct answer is A. (\(y^2-5\)2) / सही पूर्ण वर्ग. It is (\(y^2\)2-2\cdot y-2\cdot5+52). In exams treat \(y^2\) as one term and apply the identity.
Exam Tip
यह (\(y^2\)2-2\cdot y-2\cdot5+52) है। परीक्षा में \(y^2\) को एक पद मानकर पहचान लगाएं।
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