\(y^4-13y^2+36\) का सही गुणनखंड रूप क्या है?
What is the correct factorised form of \(y^4-13y^2+36\)?
Explanation opens after your attempt
A. ( \(y^2-4\)\(y^2-9\) )
Concept
Taking \(y^2\) as one quantity, the product must be (36) and the sum (-13). Exam tip: identify the pair (-4) and (-9).
Why this answer is correct
The correct answer is A. ( \(y^2-4\)\(y^2-9\) ). Taking \(y^2\) as one quantity, the product must be (36) and the sum (-13). Exam tip: identify the pair (-4) and (-9).
Exam Tip
\(y^2\) को एक मात्रा मानने पर गुणनफल (36) और योग (-13) चाहिए। परीक्षा में (-4) और (-9) की जोड़ी पहचानें।
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