\(9x^4-30x^2+25\) का गुणनखंड रूप क्या है?
What is the factorised form of \(9x^4-30x^2+25\)?
Explanation opens after your attempt
C. ( \(3x^2-5\)2 )
Concept
It is (\(3x^2\)2-2\cdot3x-2\cdot5+52). Exam tip: identify perfect squares involving \(x^4\) too.
Why this answer is correct
The correct answer is C. ( \(3x^2-5\)2 ). It is (\(3x^2\)2-2\cdot3x-2\cdot5+52). Exam tip: identify perfect squares involving \(x^4\) too.
Exam Tip
यह (\(3x^2\)2-2\cdot3x-2\cdot5+52) है। परीक्षा में \(x^4\) वाले पूर्ण वर्ग को भी पहचानें।
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